removed under construction section, preparing for v4r4 tag

Author: ifenty

doc/VectorCalculus_ECCO_barotropicVorticity.ipynb

@@ -89,13 +89,6 @@ The `ecco_v4_py`_ package used in this tutorial was inspired by the `xmitgcm`_ p
    ECCO_v4_Salt_and_salinity_budget.ipynb
    ECCO_v4_Calculating_the_ECCOv4_ocean_thermal_forcing.ipynb
 
-.. toctree::
-   :maxdepth: 2
-   :caption: UNDER CONSTRUCTION: Budget and Vorticity Calculations
-
-   VectorCalculus_ECCO_barotropicVorticity
-   ecco_budgets
-
 .. toctree::
    :maxdepth: 2
    :caption: Support