[AArch64] Remove "generic_sched" attribute

gcc/

	* config/aarch64/aarch64.md (generic_sched): Delete it.

From-SVN: r218829

gcc/ChangeLog

+2014-12-17  James Greenhalgh  <james.greenhalgh@arm.com>
+
+	* config/aarch64/aarch64.md (generic_sched): Delete it.
+
 2014-12-17  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
 
 	* config/msp430/msp430.c (msp430_asm_output_addr_const_extra): Fix

gcc/config/aarch64/aarch64.md

@@ -188,14 +188,6 @@
 ;; Processor types.
 (include "aarch64-tune.md")
 
-;; True if the generic scheduling description should be used.
-
-(define_attr "generic_sched" "yes,no"
-  (const (if_then_else
-          (eq_attr "tune" "cortexa53,cortexa15,thunderx")
-          (const_string "no")
-          (const_string "yes"))))
-
 ;; Scheduling
 (include "../arm/cortex-a53.md")
 (include "../arm/cortex-a15.md")