updated git.zsh so that the git status indicator will work even with older versions of git. Also cleaned up some crap

lib/git.zsh

@@ -6,8 +6,6 @@ function git_prompt_info() {
 
 # Checks if working tree is dirty
 parse_git_dirty() {
-#do stuff here
-    ver=$(git --version | cut -d " " -f 3)
     if $(is_legacy_git); then
         echo $(parse_legacy_git_dirty)
     else
@@ -46,8 +44,6 @@ parse_recent_git_dirty() {
   fi
 }
 
-
-
 # Checks if there are commits ahead from remote
 function git_prompt_ahead() {
   if $(echo "$(git log origin/$(current_branch)..HEAD 2> /dev/null)" | grep '^commit' &> /dev/null); then