docs: update Markdown equation elements

lib/node_modules/@stdlib/stats/base/dists/bradford/cdf/README.md

@@ -33,7 +33,7 @@ F(x;c)=\frac{\ln(1+cx)}{\ln(1+c)}
 ```
 
 <!-- <div class="equation" align="center" data-raw-text="F(x;c)=\frac{\ln(1+cx)}{\ln(1+c)}" data-equation="eq:bradford_cdf">
-    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@51534079fef45e990850102147e8945fb023d1d0/lib/node_modules/@stdlib/stats/base/dists/bradford/cdf/docs/img/equation_bradford_cdf.svg" alt="Cumulative distribution function (CDF) for a Bradford distribution.">
+    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@eb61ba42a289f290c5500d0e0eacfca960c44700/lib/node_modules/@stdlib/stats/base/dists/bradford/cdf/docs/img/equation_bradford_cdf.svg" alt="Cumulative distribution function (CDF) for a Bradford distribution.">
     <br>
 </div> -->
 

lib/node_modules/@stdlib/stats/base/dists/bradford/median/README.md

@@ -35,7 +35,7 @@ The [median][median] for a [Bradford][bradford-distribution] random variable is
 ```
 
 <!-- <div class="equation" align="center" data-raw-text="\mathop{\mathrm{Median}}\left( X \right) = \frac{\sqrt{1 + c} - 1}{c}" data-equation="eq:bradford_median">
-    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@591cf9d5c3a0cd3c1ceec961e5c49d73a68374cb/lib/node_modules/@stdlib/stats/base/dists/bradford/median/docs/img/equation_bradford_median.svg" alt="Median for a Bradford distribution.">
+    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@996c2482be0f57c7f11f7ff03fdf3b859c45c58b/lib/node_modules/@stdlib/stats/base/dists/bradford/median/docs/img/equation_bradford_median.svg" alt="Median for a Bradford distribution.">
     <br>
 </div> -->
 

lib/node_modules/@stdlib/stats/base/dists/bradford/mode/README.md

@@ -35,7 +35,7 @@ The [mode][mode] for a [Bradford][bradford-distribution] random variable is
 ```
 
 <!-- <div class="equation" align="center" data-raw-text="\mathop{\mathrm{mode}}\left( X \right) = 0" data-equation="eq:bradford_mode">
-    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@591cf9d5c3a0cd3c1ceec961e5c49d73a68374cb/lib/node_modules/@stdlib/stats/base/dists/bradford/mode/docs/img/equation_bradford_mode.svg" alt="Mode for a Bradford distribution.">
+    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@21f8e1488e983bf951e590558a96ffee0bc956cc/lib/node_modules/@stdlib/stats/base/dists/bradford/mode/docs/img/equation_bradford_mode.svg" alt="Mode for a Bradford distribution.">
     <br>
 </div> -->
 

lib/node_modules/@stdlib/stats/base/dists/bradford/pdf/README.md

@@ -33,7 +33,7 @@ f(x;c)=\frac{c}{(\ln(1+c)) (1 + cx)}
 ```
 
 <!-- <div class="equation" align="center" data-raw-text="f(x;c)=\frac{c}{(\ln(1+c)) (1 + cx)}" data-equation="eq:bradford_pdf">
-    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@51534079fef45e990850102147e8945fb023d1d0/lib/node_modules/@stdlib/stats/base/dists/bradford/pdf/docs/img/equation_bradford_pdf.svg" alt="Probability density function (PDF) for a Bradford distribution.">
+    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@19499442b3eeaa0ad9efc5b91a76538dcc45a18d/lib/node_modules/@stdlib/stats/base/dists/bradford/pdf/docs/img/equation_bradford_pdf.svg" alt="Probability density function (PDF) for a Bradford distribution.">
     <br>
 </div> -->
 

lib/node_modules/@stdlib/stats/base/dists/bradford/quantile/README.md

@@ -33,7 +33,7 @@ Q(p;c)=\frac{(1+c)^p - 1}{c}
 ```
 
 <!-- <div class="equation" align="center" data-raw-text="Q(p;c)=\frac{(1+c)^p - 1}{c}" data-equation="eq:bradford_quantile_function">
-    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@591cf9d5c3a0cd3c1ceec961e5c49d73a68374cb/lib/node_modules/@stdlib/stats/base/dists/bradford/quantile/docs/img/equation_bradford_quantile_function.svg" alt="Quantile function for a Bradford distribution.">
+    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@b2b2c8452743fd7096114ec524524b8d0b817ab4/lib/node_modules/@stdlib/stats/base/dists/bradford/quantile/docs/img/equation_bradford_quantile_function.svg" alt="Quantile function for a Bradford distribution.">
     <br>
 </div> -->
 

lib/node_modules/@stdlib/stats/base/dists/normal/mean/README.md

@@ -35,7 +35,7 @@ The [expected value][mean] for a [normal][normal-distribution] random variable w
 ```
 
 <!-- <div class="equation" align="center" data-raw-text="\mathbb{E}\left[ X \right] = \mu" data-equation="eq:normal_expectation">
-    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@0b6a176fdab165a791a284bc2b08c69a95eb62f2/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/img/equation_normal_expectation.svg" alt="Expected value for a normal distribution.">
+    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@51534079fef45e990850102147e8945fb023d1d0/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/img/equation_normal_expectation.svg" alt="Expected value for a normal distribution.">
     <br>
 </div> -->
 

lib/node_modules/@stdlib/stats/base/dists/t/logcdf/README.md

@@ -33,7 +33,7 @@ F(x;\nu) = 1 - \frac{1}{2} \frac{\mathop{\mathrm{Beta}}(\tfrac{\nu}{\nu + x^2};\
 ```
 
 <!-- <div class="equation" align="center" data-raw-text="F(x;\nu) = 1 - \frac{1}{2} \frac{\operatorname{Beta}(\tfrac{\nu}{\nu + x^2};\,\tfrac{\nu}{2},\tfrac{1}{2})}{\operatorname{Beta}(\tfrac{\nu}{2}, \tfrac{1}{2})}" data-equation="eq:t_cdf">
-    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@2d571b03f24c466be4ca4bcfd03feed4394ba86e/lib/node_modules/@stdlib/stats/base/dists/t/logcdf/docs/img/equation_t_cdf.svg" alt="Cumulative distribution function (CDF) for a Student's t distribution.">
+    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@9887634382842e16d59663d59739c516e3a446cf/lib/node_modules/@stdlib/stats/base/dists/t/logcdf/docs/img/equation_t_cdf.svg" alt="Cumulative distribution function (CDF) for a Student's t distribution.">
     <br>
 </div> -->