Remove unused GuiMainMenuAccessor

src/main/java/com/replaymod/core/mixin/GuiMainMenuAccessor.java

@@ -1,16 +0,0 @@
-package com.replaymod.core.mixin;
-
-import net.minecraft.client.gui.screen.TitleScreen;
-import net.minecraft.client.gui.screen.Screen;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.gen.Accessor;
-
-@Mixin(TitleScreen.class)
-public interface GuiMainMenuAccessor {
-    //#if MC>=10904
-    @Accessor("realmsNotificationGui")
-    Screen getRealmsNotification();
-    @Accessor("realmsNotificationGui")
-    void setRealmsNotification(Screen value);
-    //#endif
-}

src/main/resources/mixins.core.replaymod.json

@@ -18,7 +18,6 @@
     //#endif
     "MixinKeyboardListener",
     "MixinMinecraft",
-    "GuiMainMenuAccessor",
     "GuiScreenAccessor",
     "KeyBindingAccessor",
     "MinecraftAccessor",