gitfast: update plugin (#7152)

* Stop loading git plugin
* Update completion and git-prompt to v2.10
* Update completion to v2.14

plugins/gitfast/_git

@@ -9,7 +9,7 @@
 #
 # If your script is somewhere else, you can configure it on your ~/.zshrc:
 #
-#  zstyle ':completion:*:*:git:*' script ~/.git-completion.sh
+#  zstyle ':completion:*:*:git:*' script ~/.git-completion.zsh
 #
 # The recommended way to install this script is to copy to '~/.zsh/_git', and
 # then add the following to your ~/.zshrc file:
@@ -67,6 +67,15 @@ __gitcomp ()
 	esac
 }
 
+__gitcomp_direct ()
+{
+	emulate -L zsh
+
+	local IFS=$'\n'
+	compset -P '*[=:]'
+	compadd -Q -- ${=1} && _ret=0
+}
+
 __gitcomp_nl ()
 {
 	emulate -L zsh