Remove the home directory from $cdpath

It is not necessary to add the home directory to cdpath.

Since nothing is added to $cdpath by default, comment it out.

templates/zshenv

@@ -13,10 +13,9 @@ typeset -gU cdpath fpath mailpath manpath path
 typeset -gUT INFOPATH infopath
 
 # Set the the list of directories that cd searches.
-cdpath=(
+# cdpath=(
-  $HOME
+#   $cdpath
-  $cdpath
+# )
-)
 
 # Set the list of directories that info searches for manuals.
 infopath=(