Removed some unicode characters again

zsh/functions/prompt_git_info

@@ -5,17 +5,17 @@ if [ -n "$__CURRENT_GIT_BRANCH" ]; then
     s+="$__CURRENT_GIT_BRANCH"
     case "$__CURRENT_GIT_BRANCH_STATUS" in
         ahead)
-            s+="↑"
+            s+="^"
             ;;
         diverged)
-            s+="↕"
+            s+="-/="
             ;;
         behind)
-            s+="↓"
+            s+="v"
             ;;
     esac
     if [ -n "$__CURRENT_GIT_BRANCH_IS_DIRTY" ]; then
-        s+="⚡"
+        s+="*"
     fi
     s+=")"