Remove unnecessary Plugin::operator< overload

src/api/plugin.cpp

@@ -261,10 +261,6 @@ uintmax_t Plugin::GetFileSize(std::filesystem::path pluginPath) {
   return std::filesystem::file_size(pluginPath);
 }
 
-bool Plugin::operator<(const Plugin& rhs) const {
-  return CompareFilenames(name_, rhs.name_) < 0;
-}
-
 void Plugin::Load(const std::filesystem::path& path,
                   GameType gameType,
                   bool headerOnly) {

src/api/plugin.h

@@ -73,8 +73,6 @@ public:
                       const std::filesystem::path& pluginPath);
   static uintmax_t GetFileSize(std::filesystem::path pluginPath);
 
-  bool operator<(const Plugin& rhs) const;
-
 private:
   void Load(const std::filesystem::path& path,
             GameType gameType,

src/api/sorting/plugin_graph.cpp

@@ -200,7 +200,7 @@ void PluginGraph::AddPluginVertices(Game& game,
                 return true;
               }
 
-              return *lhs < *rhs;
+              return lhs->GetName() < rhs->GetName();
             });
 
   for (const auto& plugin : loadedPlugins) {

src/tests/api/internals/plugin_test.h

@@ -437,27 +437,6 @@ TEST_P(PluginTest, getFileSizeShouldReturnCorrectValueForAGhostedPlugin) {
             Plugin::GetFileSize(game_.DataPath() / blankMasterDependentEsm));
 }
 
-TEST_P(PluginTest,
-       lessThanOperatorShouldUseCaseInsensitiveLexicographicalNameComparison) {
-  Plugin plugin1(
-      game_.Type(), game_.GetCache(), game_.DataPath() / blankEsp, true);
-  Plugin plugin2(game_.Type(),
-                 game_.GetCache(),
-                 game_.DataPath() / lowercaseBlankEsp,
-                 true);
-
-  EXPECT_FALSE(plugin1 < plugin2);
-  EXPECT_FALSE(plugin2 < plugin1);
-
-  Plugin plugin3 =
-      Plugin(game_.Type(), game_.GetCache(), game_.DataPath() / blankEsm, true);
-  Plugin plugin4 =
-      Plugin(game_.Type(), game_.GetCache(), game_.DataPath() / blankEsp, true);
-
-  EXPECT_TRUE(plugin3 < plugin4);
-  EXPECT_FALSE(plugin4 < plugin3);
-}
-
 TEST_P(PluginTest,
        doFormIDsOverlapShouldReturnFalseIfTheArgumentIsNotAPluginObject) {
   Plugin plugin1(