target-m68k: Remove t1 from CPUM68KState

This field is no longer used.

Cc: Paul Brook <paul@codesourcery.com>
Signed-off-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>

target-m68k/cpu.h

@@ -103,9 +103,6 @@ typedef struct CPUM68KState {
     uint32_t rambar0;
     uint32_t cacr;
 
-    /* ??? remove this.  */
-    uint32_t t1;
-
     int pending_vector;
     int pending_level;