Revert "Mention the envvar GIT_HOOKS_VERBOSE to help debug hooks that exit with non-zero, but don't output an error"
Revert "Mention the envvar GIT_HOOKS_VERBOSE to help debug hooks that exit with non-zero, but don't output an error"

This reverts commit 536997d6d30467e2e9e401cca2cf6e7daa499665.

kbzod/git-hooks,icefox/git-hooks,SevInf/git-hooks,FluxAugur/git-hooks,paulcadman/git-hooks,FluxAugur/git-hooks