[MIRROR] ports a bunch of grep checks from TG (#10361)

Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>
Co-authored-by: Cameron Lennox <killer65311@gmail.com>

code/modules/materials/materials/plastic_ch.dm

@@ -1,6 +1,6 @@
 /datum/material/plastic/generate_recipes()
 	. = ..()
-	
+
 	recipes += list(
 		new /datum/stack_recipe("Feeder", /obj/machinery/feeder, 4, time = 20, one_per_turf = 1, on_floor = 1, recycle_material = "[name]"),
 	)

code/modules/materials/sheets/organic/animal_products.dm

@@ -29,7 +29,7 @@
 	desc = "A piece of slimy, purplish weed."
 	icon = 'icons/mob/alien.dmi'
 	icon_state = "weed_extract"
-	
+
 /////FUR AND WOOL MATERIALS/////
 
 /datum/material/fur