gitcfg: use "git config --unset" when value is None
treeb5d567ff511a7686d7d973af8994b8c8001bf9b5
-rw-r--r-- 152 .gitignore
-rw-r--r-- 81 .mailmap
-rw-r--r-- 1212 .travis.yml
-rw-r--r-- 4983 CONTRIBUTING.md
-rw-r--r-- 17987 COPYING
-rw-r--r-- 117 COPYRIGHT
-rw-r--r-- 4417 Makefile
-rw-r--r-- 9384 README.md
drwxr-xr-x - bin
drwxr-xr-x - cola
drwxr-xr-x - contrib
lrwxrwxrwx 18 docs -> share/doc/git-cola
drwxr-xr-x - extras
drwxr-xr-x - po
-rw-r--r-- 211 pynsist.cfg
-rw-r--r-- 306 setup.cfg
-rwxr-xr-x 2001 setup.py
drwxr-xr-x - share
drwxr-xr-x - test