IC: remove CacheVersionManager usages from build_common.

They are kept up to date but was never used.

build-common/src/org/jetbrains/kotlin/incremental/IncrementalJvmCache.kt

@@ -23,10 +23,7 @@ import com.intellij.util.io.EnumeratorStringDescriptor
 import gnu.trove.THashSet
 import org.jetbrains.annotations.TestOnly
 import org.jetbrains.kotlin.build.GeneratedJvmClass
-import org.jetbrains.kotlin.config.IncrementalCompilation
 import org.jetbrains.kotlin.incremental.storage.*
-import org.jetbrains.kotlin.incremental.storage.version.clean
-import org.jetbrains.kotlin.incremental.storage.version.localCacheVersionManager
 import org.jetbrains.kotlin.inline.inlineFunctionsJvmNames
 import org.jetbrains.kotlin.load.kotlin.header.KotlinClassHeader
 import org.jetbrains.kotlin.load.kotlin.incremental.components.IncrementalCache
@@ -264,11 +261,6 @@ open class IncrementalJvmCache(
         return protoMap[JvmClassName.byInternalName(MODULE_MAPPING_FILE_NAME)]?.bytes
     }
 
-    override fun clean() {
-        super.clean()
-        localCacheVersionManager(targetDataRoot, IncrementalCompilation.isEnabledForJvm()).clean()
-    }
-
     private inner class ProtoMap(storageFile: File) : BasicStringMap<ProtoMapValue>(storageFile, ProtoMapValueExternalizer) {
 
         fun process(kotlinClass: LocalFileKotlinClass, changesCollector: ChangesCollector) {

build-common/src/org/jetbrains/kotlin/incremental/storage/version/lookups.kt

@@ -14,7 +14,4 @@ fun lookupsCacheVersionManager(dataRoot: File, isEnabled: Boolean) =
     CacheVersionManager(
         File(dataRoot, DATA_CONTAINER_VERSION_FILE_NAME),
         if (isEnabled) DATA_CONTAINER_VERSION else null
-    )
-
-fun readLookupsCacheStatus(dataRoot: File, isEnabled: Boolean): CacheStatus =
-    lookupsCacheVersionManager(dataRoot, isEnabled).loadAndCheckStatus()
+    )