prepare for 1.21.4 update

patches/api/0005-Build-System-Changes.patch

@@ -1,19 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Ben Kerllenevich <ben@omega24.dev>
-Date: Sat, 12 Jun 2021 12:35:38 -0400
-Subject: [PATCH] Build System Changes
-
-
-diff --git a/build.gradle.kts b/build.gradle.kts
-index aae422978887a0f2cf531b2dc862705148569676..b0fd6c1804844f09428051952e3ac4e58f8c859c 100644
---- a/build.gradle.kts
-+++ b/build.gradle.kts
-@@ -168,6 +168,8 @@ tasks.jar {
- }
- 
- tasks.withType<Javadoc> {
-+    (options as StandardJavadocDocletOptions).addStringOption("-add-modules", "jdk.incubator.vector") // Purpur - our javadocs need this for pufferfish's SIMD patch
-+    (options as StandardJavadocDocletOptions).addStringOption("Xdoclint:none", "-quiet") // Purpur - silence Paper's bajillion javadoc warnings
-     val options = options as StandardJavadocDocletOptions
-     options.overview = "src/main/javadoc/overview.html"
-     options.use()