Remove unused bbAssertionKill (#9957)

mikedn · jkotas · commit c89728f3b9a7 · 2017-03-04T09:58:56.000-08:00
diff --git a/src/jit/block.h b/src/jit/block.h
@@ -944,12 +944,6 @@ struct BasicBlock : private LIR::Range
 #endif
     };
 
-    union {
-#if ASSERTION_PROP
-        ASSERT_TP bbAssertionKill; // value assignments killed   by block
-#endif
-    };
-
     union {
         EXPSET_TP bbCseIn; // CSEs available on entry
 #if ASSERTION_PROP
