Properly exclude Fastutil

bootstrap/fabric/build.gradle

@@ -32,7 +32,7 @@ dependencies {
         exclude group: 'com.google.guava', module: "guava"
         exclude group: 'com.google.code.gson', module: "gson"
         exclude group: 'org.slf4j'
-        exclude group: 'it.unimi.dsi.fastutil'
+        exclude group: 'com.nukkitx.fastutil'
         exclude group: 'io.netty.incubator'
     }
 }