vendor: Fix ohmyzsh git plugin so it can be sourced

vendor/github.com/ohmyzsh/ohmyzsh/plugins/git/git.plugin.zsh

@@ -1,7 +1,3 @@
-# Git version checking
-autoload -Uz is-at-least
-git_version="${${(As: :)$(git version 2>/dev/null)}[3]}"
-
 #
 # Functions
 #
@@ -20,7 +16,6 @@ function _git_log_prettily(){
     git log --pretty=$1
   fi
 }
-compdef _git _git_log_prettily=git-log
 
 # Warn if the current branch is a WIP
 function work_in_progress() {
@@ -125,10 +120,10 @@ alias gdw='git diff --word-diff'
 function gdnolock() {
   git diff "$@" ":(exclude)package-lock.json" ":(exclude)*.lock"
 }
-compdef _git gdnolock=git-diff
 
-function gdv() { git diff -w "$@" | view - }
-compdef _git gdv=git-diff
+function gdv() {
+	git diff -w "$@" | view -
+}
 
 alias gf='git fetch'
 # --jobs=<n> was added in git 2.8
@@ -146,12 +141,10 @@ function ggf() {
   [[ "$#" != 1 ]] && local b="$(git_current_branch)"
   git push --force origin "${b:=$1}"
 }
-compdef _git ggf=git-checkout
 function ggfl() {
   [[ "$#" != 1 ]] && local b="$(git_current_branch)"
   git push --force-with-lease origin "${b:=$1}"
 }
-compdef _git ggfl=git-checkout
 
 function ggl() {
   if [[ "$#" != 0 ]] && [[ "$#" != 1 ]]; then
@@ -161,7 +154,6 @@ function ggl() {
     git pull origin "${b:=$1}"
   fi
 }
-compdef _git ggl=git-checkout
 
 function ggp() {
   if [[ "$#" != 0 ]] && [[ "$#" != 1 ]]; then
@@ -171,7 +163,6 @@ function ggp() {
     git push origin "${b:=$1}"
   fi
 }
-compdef _git ggp=git-checkout
 
 function ggpnp() {
   if [[ "$#" == 0 ]]; then
@@ -180,13 +171,11 @@ function ggpnp() {
     ggl "${*}" && ggp "${*}"
   fi
 }
-compdef _git ggpnp=git-checkout
 
 function ggu() {
   [[ "$#" != 1 ]] && local b="$(git_current_branch)"
   git pull --rebase origin "${b:=$1}"
 }
-compdef _git ggu=git-checkout
 
 alias ggpur='ggu'
 alias ggpull='git pull origin "$(git_current_branch)"'