remove some unused files, tick barsigns.dm and removed duplicate definition

Signed-off-by: Cael_Aislinn <cael_aislinn@yahoo.com.au>

code/datums/vote.dm

@@ -1,13 +0,0 @@
-/datum/vote
-	var/voting = 0			// true if currently voting
-	var/nextvotetime = 0 	// time at which next vote can be started
-	var/votetime = 60		// time at which voting will end
-	var/mode = 0			// 0 = restart vote, 1 = mode vote
-							// modes which can be voted for
-	var/winner = null		// the vote winner
-
-	var/customname
-	var/choices = list()
-	var/enteringchoices = 0
-
-	var/instant_restart = 0