[Fix #64] Remove the clean git-info style

Free up `%C` by using `%(D.clean.dirty:%D)` instead.

plugins/git/functions/git-info

@@ -139,8 +139,6 @@ function git-info {
   local branch_format
   local branch_formatted
   local branch_info
-  local clean
-  local clean_formatted
   local commit
   local commit_format
   local commit_formatted
@@ -330,8 +328,6 @@ function git-info {
   if (( $dirty > 0 )); then
     zstyle -s ':omz:plugin:git:prompt' dirty 'dirty_format'
     zformat -f dirty_formatted "$dirty_format" "D:$dirty"
-  else
-    zstyle -s ':omz:plugin:git:prompt' clean 'clean_formatted'
   fi
 
   # Format prompts.
@@ -350,7 +346,6 @@ function git-info {
       "A:$ahead_formatted" \
       "B:$behind_formatted" \
       "b:$branch_formatted" \
-      "C:$clean_formatted" \
       "c:$commit_formatted" \
       "d:$deleted_formatted" \
       "D:$dirty_formatted" \

plugins/git/style.zsh

@@ -20,9 +20,6 @@ zstyle ':omz:plugin:git:prompt' behind 'behind:%B'
 # %b - Branch name.
 zstyle ':omz:plugin:git:prompt' branch '%b'
 
-# %C - Indicator to notify of clean branch.
-zstyle ':omz:plugin:git:prompt' clean 'clean'
-
 # %c - SHA-1 hash.
 zstyle ':omz:plugin:git:prompt' commit 'commit:%c'