Remove obsolete no longer supported kotlin.mpp.enableCompatibilityMetadataVariant that will be promoted to ERROR as part of KT-55891 (#2380)

Also, remove the default value of IC flag for MPP

Author: qwwdfsad

gradle.properties

@@ -24,11 +24,6 @@ okio_version=3.1.0
 
 kover.enabled=true
 
-kotlin.mpp.enableCompatibilityMetadataVariant=true
-kotlin.mpp.stability.nowarn=true
-
-kotlin.incremental.multiplatform=true
-
 org.gradle.parallel=true
 org.gradle.caching=true