Remove the git alias expansion.

I think I added it to expand aliases with `git exec`. But now `git rm`
fails because it expands the `rm` alias.

.bashrc

@@ -93,7 +93,6 @@ alias clean-swp="find \$HOME/ -name '*.swp' -delete"
 alias unssh="ssh -o \"UserKnownHostsFile /dev/null\" -o \"StrictHostKeyChecking no\""
 alias todo="vim \$HOME/Documents/TODO.yml"
 alias sudo="sudo "
-alias git="git "
 alias xargs="xargs "
 alias monitor="monitor "
 alias sudome="sudome "