SystemZ: Remove redundant copy tests from 75f4baa

Author: arsenm

llvm/test/CodeGen/SystemZ/copy-phys-reg-gr128-to-vr128.mir

@@ -45,34 +45,3 @@ body:             |
     $v0 = COPY undef $r0q
     Return implicit $v0
 ...
-
----
-name:            copy_gr128_to_vr128__r0q_to_v0_subreg0
-tracksRegLiveness: true
-body:             |
-  bb.0:
-    liveins: $r0q
-    ; CHECK-LABEL: name: copy_gr128_to_vr128__r0q_to_v0_subreg0
-    ; CHECK: liveins: $r0q
-    ; CHECK-NEXT: {{  $}}
-    ; CHECK-NEXT: $v0 = VLVGP $r0d, $r1d
-    ; CHECK-NEXT: Return implicit $v0
-    $v0 = COPY $r0q
-    Return implicit $v0
-...
-
----
-name:            copy_gr128_to_vr128__r0q_to_v0_subreg1
-tracksRegLiveness: true
-body:             |
-  bb.0:
-    liveins: $r0q
-    ; CHECK-LABEL: name: copy_gr128_to_vr128__r0q_to_v0_subreg1
-    ; CHECK: liveins: $r0q
-    ; CHECK-NEXT: {{  $}}
-    ; CHECK-NEXT: $v0 = VLVGP $r0d, $r1d
-    ; CHECK-NEXT: Return implicit $v0
-    $v0 = COPY $r0q
-    Return implicit $v0
-...
-