Fixes items being vended into cyborg hands (#28548)

* add silicon check

* Revert "add silicon check"

This reverts commit a240d3444a.

* overrode silicon put_in_hand_ procs

---------

Co-authored-by: Toastical <toastical@toaster.com>
Co-authored-by: Toastical <toast@toaster.com>

code/modules/mob/living/silicon/silicon_mob.dm

@@ -222,6 +222,12 @@
 /mob/living/silicon/drop_item()
 	return
 
+/mob/living/silicon/put_in_l_hand(obj/item/W, skip_blocked_hands_check)
+	return
+
+/mob/living/silicon/put_in_r_hand(obj/item/W, skip_blocked_hands_check)
+	return
+
 /mob/living/silicon/electrocute_act(shock_damage, source, siemens_coeff = 1, flags = NONE)
 	return FALSE //So borgs they don't die trying to fix wiring