Revert "Tail Stuff (#12785)" (#13582)

This reverts commit 42f5ff082c.

code/modules/client/preferences.dm

@@ -46,7 +46,6 @@ datum/preferences
 	var/pda_choice = OUTFIT_TAB_PDA
 	var/headset_choice = OUTFIT_HEADSET
 	var/primary_radio_slot = "Left Ear"
-	var/tail_style = null
 	var/h_style = "Bald"				//Hair type
 	var/hair_colour = "#000000"			//Hair colour hex value, for SQL loading
 	var/r_hair = 0						//Hair color
@@ -437,8 +436,6 @@ datum/preferences
 	character.g_eyes = g_eyes
 	character.b_eyes = b_eyes
 
-	character.set_tail_style(tail_style)
-
 	character.h_style = h_style
 	character.r_hair = r_hair
 	character.g_hair = g_hair