[ptr-compr][CSA] Removing tests that used explicit (De)Compress functions

Following up on https://chromium-review.googlesource.com/c/v8/v8/+/1637879,
this CL removes the tests that used explicit Compress/Decompress functions
in CSA

Cq-Include-Trybots: luci.v8.try:v8_linux64_pointer_compression_rel_ng
Cq-Include-Trybots: luci.v8.try:v8_linux64_arm64_pointer_compression_rel_ng
Bug: v8:7703
Change-Id: I063678a732545eb505fa752612242ceeb42be823
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1640206
Auto-Submit: Santiago Aboy Solanes <solanes@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61962}

test/cctest/test-code-stub-assembler.cc

@@ -3545,34 +3545,6 @@ TEST(TestGotoIfDebugExecutionModeChecksSideEffects) {
   CHECK_EQ(true, result->BooleanValue(isolate));
 }
 
-#ifdef V8_COMPRESS_POINTERS
-
-TEST(CompressedSlotInterleavedGC) {
-  Isolate* isolate(CcTest::InitIsolateOnce());
-
-  const int kNumParams = 1;
-
-  CodeAssemblerTester asm_tester(isolate, kNumParams);
-  CodeStubAssembler m(asm_tester.state());
-
-  Node* compressed = m.ChangeTaggedToCompressed(m.Parameter(0));
-
-  m.Print(m.ChangeCompressedToTagged(compressed));
-
-  Node* const context = m.Parameter(kNumParams + 2);
-  m.CallRuntime(Runtime::kCollectGarbage, context, m.SmiConstant(0));
-
-  m.Return(m.ChangeCompressedToTagged(compressed));
-
-  FunctionTester ft(asm_tester.GenerateCode(), kNumParams);
-  Handle<Object> result =
-      ft.Call(isolate->factory()->NewNumber(0.5)).ToHandleChecked();
-  CHECK(result->IsHeapNumber());
-  CHECK_EQ(0.5, Handle<HeapNumber>::cast(result)->Number());
-}
-
-#endif  // V8_COMPRESS_POINTERS
-
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8