scripts: Remove gcc-wrapper.py

This adds an unnecessary dependency on Python when regular -Werror will do fine.

Issue: FP3-A11#330
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: khusika <khusikadhamar@gmail.com>
Change-Id: I81f0e52e7270923f7e3d30a79ec9e9205d47ae0b