[Base] Removed useless path_to_utf8 conversion while using fmt

Default filesystem::path formatter was added to fmt around 2022

src/xenia/gpu/trace_reader.cc

@@ -55,7 +55,7 @@ bool TraceReader::Open(const std::string_view path) {
     return false;
   }
 
-  XELOGI("Mapped {}b trace from {}", trace_size_, xe::path_to_utf8(path));
+  XELOGI("Mapped {}b trace from {}", trace_size_, path);
   XELOGI("   Version: {}", header->version);
   auto commit_str = std::string(header->build_commit_sha,
                                 xe::countof(header->build_commit_sha));