Update external completions

.gitmodules

@@ -4,6 +4,6 @@
 [submodule "modules/syntax-highlighting/external"]
 	path = modules/syntax-highlighting/external
 	url = https://github.com/zsh-users/zsh-syntax-highlighting.git
-[submodule "modules/completion/functions"]
+[submodule "modules/completion/external"]
-	path = modules/completion/functions
+	path = modules/completion/external
 	url = https://github.com/zsh-users/zsh-completions.git

modules/completion/external

@@ -0,0 +1 @@
+Subproject commit 589938ffc9c241952743051d907f7cb451eb157f

modules/completion/functions

@@ -1 +0,0 @@
-Subproject commit 8b89dd9d10e86313f49fafdf88e8540f97346f33

modules/completion/init.zsh

@@ -11,6 +11,9 @@ if [[ "$TERM" == 'dumb' ]]; then
   return 1
 fi
 
+# Add zsh-completions to $fpath.
+fpath=("${0:h}/external/src" $fpath)
+
 # Load and initialize the completion system ignoring insecure directories.
 autoload -Uz compinit && compinit -i