Revert "[compiler-rt][fuzzer] implements SetThreadName for fuchsia." (llvm#105162)

Reverts llvm#99953

Author: devnexen

compiler-rt/lib/fuzzer/FuzzerUtilFuchsia.cpp

@@ -607,13 +607,7 @@ size_t PageSize() {
 }
 
 void SetThreadName(std::thread &thread, const std::string &name) {
-  if (name.size() > 31)
-    name.resize(31);
-  zx_status_t s;
-  if ((s = zx_object_set_property(thread.native_handle(), ZX_PROP_NAME,
-                                  name.c_str(), name.size())) != ZX_OK)
-    Printf("SetThreadName for name %s failed: %s", name.c_str(),
-           zx_status_get_string(s));
+  // TODO ?
 }
 
 } // namespace fuzzer