Update Minecraft version and remove yarn mappings

gradle.properties

@@ -3,7 +3,6 @@ org.gradle.jvmargs=-Xmx1G
 # Fabric Properties
 # check these on https://modmuss50.me/fabric.html
 minecraft_version=1.21.11
-yarn_mappings=1.21.11+build.4
 loader_version=0.18.4
 loom_version=1.14-SNAPSHOT
 # Mod Properties
@@ -15,4 +14,4 @@ archives_base_name=oyvey
 # check this on https://modmuss50.me/fabric.html
 fabric_version=0.141.1+1.21.11
 catformat_version=2.1.0
-buildconfig_version=5.3.5
+buildconfig_version=5.3.5