Delete changelog and remove unused on variable

code/game/objects/items/devices/pipe_painter.dm

@@ -14,7 +14,6 @@
 		"purple"	= rgb(130,43,255)
 	)
 	var/mode = "grey"
-	var/on = 1
 
 	m_amt = 5000
 	g_amt = 2000

html/changelogs/optimumtact-PR-5354.yml

@@ -1,21 +0,0 @@
-# Valid Prefixes:
-#   bugfix
-#   wip (For works in progress)
-#   tweak
-#   soundadd
-#   sounddel
-#   rscdel (general adding of nice things)
-#   rscadd (general deleting of nice things)
-#   imageadd
-#   imagedel
-#   spellcheck (typo fixes)
-#   experiment
-#   tgs (TG-ported fixes?)
-
-# Your name.
-author: optimumtact
-
-delete-after: True
-
-changes:
-  - tweak: "The pipe painter no longer has a click cooldown and now only works on adjacent pipes"