i think i fixed it?

build-logic/src/main/kotlin/geyser.base-conventions.gradle.kts

@@ -30,12 +30,4 @@ java {
     targetCompatibility = JavaVersion.VERSION_16
 
     withSourcesJar()
-}
-
-publishing {
-    publications.create<MavenPublication>("mavenJava") {
-        groupId = project.group as String
-        artifactId = project.name
-        version = project.version as String
-    }
 }