Remove as31 bunch files

gradle/versions.properties.as31

@@ -1,15 +0,0 @@
-versions.intellijSdk=173.3727.127
-versions.androidBuildTools=r23.0.1
-versions.idea.NodeJS=172.3757.32
-versions.androidStudioRelease=3.1.3.0
-versions.androidStudioBuild=173.4819257
-versions.jar.guava=21.0
-versions.jar.groovy-all=2.4.12
-versions.jar.swingx-core=1.6.2
-versions.jar.kxml2=2.3.0
-versions.jar.streamex=0.6.5
-versions.jar.gson=2.8.2
-versions.jar.snappy-in-java=0.5.1
-ignore.jar.common=true
-ignore.jar.lombok-ast=true
-versions.gradle-api=4.0