[Chapel Merge] Move ChapelEnv to a standard module

Branch: refs/heads/master
Revision: 6da41af
Author: mppf
Log Message:

Merge pull request #16850 from mppf/move-chapelenv

Move ChapelEnv to a standard module

This PR moves modules/internal/ChapelEnv.chpl to
modules/standard/ChapelEnv.chpl and lists it in the Automatic standard
modules in the docs.

Reviewed by @lydia-duncan - thanks!

  • [x] full local testing

Modified Files:
A modules/standard/ChapelEnv.chpl
R modules/internal/ChapelEnv.chpl
M compiler/passes/scopeResolve.cpp
M doc/rst/meta/modules/standard.rst
M modules/Makefile
M modules/internal/fixInternalDocs.sh
M test/modules/bradc/printModStuff/foo.good

Compare: https://github.com/chapel-lang/chapel/compare/06cf2895f523...6da41af8805a