Fixes utensils attacking when trying to feed while full (#6679)

# About the pull request

Using a utensil with food on a target that's not hungry no longer stabs
them.

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# Explain why it's good for the game

You have a fork with some food, you're on help intent, you use it on
yourself... and you stab yourself to the chorus of "You don't feel like
eating more right now."
# Testing Photographs and Procedure
<details>
<summary>Screenshots & Videos</summary>

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screenshots and the `<details>` tags.

</details>


# Changelog
:cl:
fix: no longer stab with utensil when trying to feed while target full
/:cl:

code/game/objects/items/tools/kitchen_tools.dm

@@ -48,7 +48,7 @@
 		var/fullness = M.nutrition + (M.reagents.get_reagent_amount("nutriment") * 25)
 		if(fullness > NUTRITION_HIGH)
 			to_chat(user, SPAN_WARNING("[user == M ? "You" : "They"] don't feel like eating more right now."))
-			return ..()
+			return
 		reagents.set_source_mob(user)
 		reagents.trans_to_ingest(M, reagents.total_volume)
 		if(M == user)