Remove client side left hand patch

src/main/java/moe/nea/firmament/mixins/PlayerLeftHandedPatch.java

@@ -1,27 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2023 Linnea Gräf <nea@nea.moe>
- *
- * SPDX-License-Identifier: GPL-3.0-or-later
- */
-
-package moe.nea.firmament.mixins;
-
-import moe.nea.firmament.features.fixes.Fixes;
-import net.minecraft.entity.player.PlayerEntity;
-import net.minecraft.util.Arm;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Inject;
-import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
-
-@Mixin(PlayerEntity.class)
-public class PlayerLeftHandedPatch {
-    @Inject(
-        method = "getMainArm",
-        at = @At("HEAD"),
-        cancellable = true
-    )
-    public void onGetMainArm(CallbackInfoReturnable<Arm> cir) {
-        Fixes.INSTANCE.isLeftHandedHook((PlayerEntity) (Object) this, cir);
-    }
-}

src/main/kotlin/moe/nea/firmament/features/fixes/Fixes.kt

@@ -31,7 +31,6 @@ object Fixes : FirmamentFeature {
         val autoSprintKeyBinding by keyBindingWithDefaultUnbound("auto-sprint-keybinding")
         val autoSprintHud by position("auto-sprint-hud", 80, 10) { Point(0.0, 1.0) }
         val peekChat by keyBindingWithDefaultUnbound("peek-chat")
-        val useClientSidedHandedness by toggle("clientside-lefthand") { true }
     }
 
     override val config: ManagedConfig
@@ -45,12 +44,6 @@ object Fixes : FirmamentFeature {
             cir.returnValue = true
     }
 
-    fun isLeftHandedHook(entity: PlayerEntity, cit: CallbackInfoReturnable<Arm>) = errorBoundary {
-        if (TConfig.useClientSidedHandedness && entity.isMainPlayer) {
-            cit.returnValue = MC.instance.options.mainArm.value
-        }
-    }
-
     @Subscribe
     fun onRenderHud(it: HudRenderEvent) {
         if (!TConfig.autoSprintKeyBinding.isBound) return