microblaze: cpu: Remove unused CC_OP enum

This enum is not used by anything. Remove.

Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/target-microblaze/cpu.h b/target-microblaze/cpu.h
index 2c18b49..f21da2f 100644
--- a/target-microblaze/cpu.h
+++ b/target-microblaze/cpu.h
@@ -284,12 +284,6 @@
 int cpu_mb_signal_handler(int host_signum, void *pinfo,
                           void *puc);
 
-enum {
-    CC_OP_DYNAMIC, /* Use env->cc_op  */
-    CC_OP_FLAGS,
-    CC_OP_CMP,
-};
-
 /* FIXME: MB uses variable pages down to 1K but linux only uses 4k.  */
 #define TARGET_PAGE_BITS 12
 #define MMAP_SHIFT TARGET_PAGE_BITS