Revert "transfer: add deprecation notice (#7372)" (#7402)

This reverts commit 05b617066b.

plugins/transfer/transfer.plugin.zsh

@@ -12,14 +12,6 @@
 #   Modified to use tar command instead of zip
 #
 
-echo -ne '\e[1;33m'
-cat <<-EOF
-        [oh-my-zsh] WARNING: The 'transfer' plugin is deprecated and will be removed after
-        [oh-my-zsh] transfer.sh shuts down on November 30th. We suggest you stop using the
-        [oh-my-zsh] plugin and find an alternative file hosting service.
-EOF
-echo -ne '\e[0m'
-
 curl --version 2>&1 > /dev/null
 if [ $? -ne 0 ]; then
   echo "Could not find curl."
@@ -72,4 +64,4 @@ transfer() {
 
     # cleanup
     rm -f $tmpfile
-}
+}