[Fix sorin-ionescu#307] Do not auto-off git-info

Instead of turning off git-info when CTRL+C is caught, show instructions
on how to turn it off manually.

modules/git/functions/git-info

@@ -89,7 +89,7 @@ function _git-action {
   return 1
 }
 
-# Turns off git-info for the current repository.
+# Instructs the user on how to turn off git-info for the current repository.
 function _git-info-abort {
   if ! is-true "$_git_info_executing"; then
     return 1
@@ -99,17 +99,18 @@ function _git-info-abort {
 
 
 Gathering status for certain repositories is time intensive.
-By pressing CTRL + C, you have turned off prompt Git status
-for this repository.
+
+To turn off in-prompt Git status for this repository, execute:
+
+  git info off
 
 To revert, execute:
+
   git-info on
 
 EOF
 
   unset _git_info_executing
-  git config --bool prompt.showinfo false
-  git-info
   return 0
 }
 add-zsh-trap INT _git-info-abort
@@ -209,7 +210,7 @@ function git-info {
     return 1
   fi
 
-  # Used to abort and turn git-info off on SIGINT.
+  # Used to abort git-info on SIGINT.
   _git_info_executing=true
 
   # Ignore submodule status.