Remove "COM:".

Author: mgcarrasco

clang/test/Driver/hip-spirv-backend-opt.c

@@ -1,12 +1,12 @@
-// COM: This test case validates the behavior of -use-experimental-spirv-backend
+// This test case validates the behavior of -use-experimental-spirv-backend
 
-// COM: Test that -use-experimental-spirv-backend calls clang -cc1 with the SPIRV triple.
+// Test that -use-experimental-spirv-backend calls clang -cc1 with the SPIRV triple.
 // RUN: %clang -x hip %s --cuda-device-only --offload-arch=amdgcnspirv -use-experimental-spirv-backend -nogpuinc -nogpulib -### 2>&1 | FileCheck %s --check-prefix=CHECK-SPIRV-BACKEND
 // CHECK-SPIRV-BACKEND: "{{.*}}clang{{.*}}" "-cc1" "{{.*-triple=spirv64-amd-amdhsa}}"
 
-// COM: Test that -no-use-experimental-spirv-backend calls the SPIRV translator
+// Test that -no-use-experimental-spirv-backend calls the SPIRV translator
 // RUN: %clang -x hip %s --cuda-device-only --offload-arch=amdgcnspirv -no-use-experimental-spirv-backend -nogpuinc -nogpulib -### 2>&1 | FileCheck %s --check-prefix=CHECK-SPIRV-TRANSLATOR
 // CHECK-SPIRV-TRANSLATOR: "{{.*llvm-spirv.*}}" "{{--spirv-max-version=[0-9]+\.[0-9]}}"
 
-// COM: Test that by default we use the translator
+// Test that by default we use the translator
 // RUN: %clang -x hip %s --cuda-device-only --offload-arch=amdgcnspirv -nogpuinc -nogpulib -### 2>&1 | FileCheck %s --check-prefix=CHECK-SPIRV-TRANSLATOR