Set Java language version to 25 and clean up tasks

Updated the Java language version for the updateDaemonJvm task and removed the outputVersion task.

Author: AlexProgrammerDE

build.gradle.kts

@@ -2,6 +2,10 @@ plugins {
     base
 }
 
+tasks.named<UpdateDaemonJvm>("updateDaemonJvm") {
+    languageVersion = JavaLanguageVersion.of(25)
+}
+
 allprojects {
     version = property("maven_version")!!
     group = "net.pistonmaster"
@@ -28,9 +32,3 @@ allprojects {
         }
     }
 }
-
-tasks.register("outputVersion") {
-    doLast {
-        println(project.version)
-    }
-}