src: remove unused env_ field from env.h
Currently the following compiler warnings is generated:
In file included from ../src/env-inl.h:28:
../src/env.h:521:18:
warning: private field 'env_' is not used [-Wunused-private-field]
Environment* env_;
^
1 warning generated.
This commit removes this unused field.
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
commit message follows commit guidelines