delete unnecessary files

source/.gradle/8.6/fileHashes/fileHashes.bin

source/.gradle/8.6/fileHashes/fileHashes.lock

source/.gradle/8.6/gc.properties

source/.gradle/buildOutputCleanup/buildOutputCleanup.lock

source/.gradle/buildOutputCleanup/cache.properties

source/.gradle/buildOutputCleanup/outputFiles.bin

source/.gradle/checksums/checksums.lock

source/.gradle/checksums/md5-checksums.bin

source/.gradle/checksums/sha1-checksums.bin

source/.gradle/config.properties

source/.gradle/file-system.probe

source/.gradle/vcs-1/gc.properties