Missed a test in my last commit

llvm-svn: 279679

llvm/test/CodeGen/Hexagon/regalloc-bad-undef.mir

@@ -66,7 +66,6 @@
 name:            main
 alignment:       2
 tracksRegLiveness: true
-tracksSubRegLiveness: true
 registers:
   - { id: 0, class: intregs }
   - { id: 1, class: intregs }