Revert "[OpenMP][NFC] Add missing virtual destructor to silence warning"

This reverts commit b9fd8f34ae as it
accidentally contained a unit test change that is not finished (and
unrelated).

llvm/unittests/Linker/LinkModulesTest.cpp

@@ -359,27 +359,4 @@ TEST_F(LinkModuleTest, RemangleIntrinsics) {
   ASSERT_EQ(F->getNumUses(), (unsigned)2);
 }
 
-TEST_F(LinkModuleTest, StructTypeReusedMerge) {
-  LLVMContext C;
-  SMDiagnostic Err;
-
-  const char *M1Str = "%t = type {i32}\n"
-                      "%q = type {%t}\n"
-                      "@t1 = weak global %q zeroinitializer\n";
-  std::unique_ptr<Module> M1 = parseAssemblyString(M1Str, Err, C);
-
-  const char *M2Str = "%t = type {i32}\n"
-                      "%q = type {%t}\n"
-                      "@t2 = weak global %q zeroinitializer\n";
-  std::unique_ptr<Module> M2 = parseAssemblyString(M2Str, Err, C);
-
-  Ctx.setDiagnosticHandlerCallBack(expectNoDiags);
-  Linker::linkModules(*M1, std::move(M2));
-
-  EXPECT_EQ(M1->getNamedGlobal("t1")->getType(),
-            M1->getNamedGlobal("t2")->getType());
-  EXPECT_TRUE(llvm::for_each(M1->getIdentifiedStructTypes(), [](const StructType *STy) { return STy->hasName(); }));
-
-}
-
 } // end anonymous namespace

openmp/libomptarget/plugins/cuda/src/rtl.cpp

@@ -168,8 +168,6 @@ struct DeviceDataTy {
 /// accordingly. The implementation should not raise any exception.
 template <typename T> struct AllocatorTy {
   using ElementTy = T;
-  virtual ~AllocatorTy() {}
-
   /// Create a resource and assign to R.
   virtual int create(T &R) noexcept = 0;
   /// Destroy the resource.