remove gradle directory from git (not needed)

gradle/libs.versions.toml

@@ -1,10 +0,0 @@
-# This file was generated by the Gradle 'init' task.
-# https://docs.gradle.org/current/userguide/platforms.html#sub::toml-dependencies-format
-
-[versions]
-guava = "33.0.0-jre"
-junit = "4.13.2"
-
-[libraries]
-guava = { module = "com.google.guava:guava", version.ref = "guava" }
-junit = { module = "junit:junit", version.ref = "junit" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,7 +0,0 @@
-distributionBase=GRADLE_USER_HOME
-distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip
-networkTimeout=10000
-validateDistributionUrl=true
-zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists