Remove the unused monitor tracking and deadlock prediction code.

This feature has been in the code base for several releases but has never
been enabled.

Change-Id: Ia770b03ebc90a3dc7851c0cd8ef301f9762f50db
diff --git a/vm/mterp/out/InterpC-portstd.c b/vm/mterp/out/InterpC-portstd.c
index 46b712f..dbcf913 100644
--- a/vm/mterp/out/InterpC-portstd.c
+++ b/vm/mterp/out/InterpC-portstd.c
@@ -1765,12 +1765,8 @@
         if (!checkForNullExportPC(obj, fp, pc))
             GOTO_exceptionThrown();
         ILOGV("+ locking %p %s\n", obj, obj->clazz->descriptor);
-        EXPORT_PC();    /* need for precise GC, also WITH_MONITOR_TRACKING */
+        EXPORT_PC();    /* need for precise GC */
         dvmLockObject(self, obj);
-#ifdef WITH_DEADLOCK_PREDICTION
-        if (dvmCheckException(self))
-            GOTO_exceptionThrown();
-#endif
     }
     FINISH(1);
 OP_END