Remove the workaround for Bintray treating .sha512 files as artifacts

Author: Abduqodiri Qurbonzoda

gradle.properties

@@ -4,8 +4,4 @@ versionSuffix=SNAPSHOT
 
 org.gradle.jvmargs=-Xmx2g -XX:MaxPermSize=2048m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
 
-kotlin.native.distribution.type=prebuilt
-
-# Workaround for Bintray treating .sha512 files as artifacts
-# https://github.com/gradle/gradle/issues/11412
-systemProp.org.gradle.internal.publish.checksums.insecure=true
+kotlin.native.distribution.type=prebuilt