src: Fix extra includes of "env.h" and "env-inl.h" in this directory.
This commit should cleanup the remaining open extra includes of "env.h" and "env-inl.h" and forward declarations of |Environment|.
Fixes: https://github.com/nodejs/node/issues/27531
Checklist
- [x ]
make -j4 test
(UNIX), orvcbuild test
(Windows) passes - [ x] commit message follows commit guidelines