Remove old PRINT COLOR restriction from the manual.

Author: dmsc

manual.md

@@ -1066,10 +1066,6 @@ Console Print and Input Statements
       S = 1234
       ? #6, "SCORE: "; COLOR(32) S
 
-  Note that the color only applies to
-  one argument, and it is reset to 0
-  after a `;`, `,` or `TAB`.
-
   The `TAB` function advances the
   position to a column multiple of the
   argument, so that `TAB(10)` is the