Drop 1.17 in favor of 1.17.1

Primarily because fabric-api for 1.17 never received any updates, so
fabric-screen-api isn't available for it.

versions/1.17.1/src/main/java/com/replaymod/replay/mixin/MixinTileEntityEndPortalRenderer.java

@@ -0,0 +1,9 @@
+package com.replaymod.replay.mixin;
+
+import com.mojang.blaze3d.systems.RenderSystem;
+import org.spongepowered.asm.mixin.Mixin;
+
+@Mixin(RenderSystem.class)
+public class MixinTileEntityEndPortalRenderer {
+    // All shaders now use the game time
+}