Split deprecationUtil.kt to several files, move to subpackage

Also move interface Deprecation to subpackage "deprecation"

core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/typeEnhancement/signatureEnhancement.kt

@@ -30,8 +30,8 @@ import org.jetbrains.kotlin.load.java.lazy.descriptors.isJavaField
 import org.jetbrains.kotlin.load.kotlin.SignatureBuildingComponents
 import org.jetbrains.kotlin.load.kotlin.computeJvmDescriptor
 import org.jetbrains.kotlin.name.FqName
-import org.jetbrains.kotlin.resolve.DEPRECATED_FUNCTION_KEY
 import org.jetbrains.kotlin.resolve.constants.EnumValue
+import org.jetbrains.kotlin.resolve.deprecation.DEPRECATED_FUNCTION_KEY
 import org.jetbrains.kotlin.resolve.descriptorUtil.firstArgument
 import org.jetbrains.kotlin.resolve.descriptorUtil.fqNameOrNull
 import org.jetbrains.kotlin.types.*

core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/utils.kt

@@ -23,8 +23,8 @@ import org.jetbrains.kotlin.descriptors.ClassKind
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
 import org.jetbrains.kotlin.incremental.components.NoLookupLocation
 import org.jetbrains.kotlin.name.Name
-import org.jetbrains.kotlin.resolve.Deprecation
-import org.jetbrains.kotlin.resolve.DeprecationLevelValue
+import org.jetbrains.kotlin.resolve.deprecation.Deprecation
+import org.jetbrains.kotlin.resolve.deprecation.DeprecationLevelValue
 import org.jetbrains.kotlin.types.KotlinType
 import org.jetbrains.kotlin.types.typeUtil.makeNotNullable
 import org.jetbrains.kotlin.utils.extractRadix

core/descriptors/src/org/jetbrains/kotlin/resolve/deprecation/deprecation.kt

@@ -3,7 +3,7 @@
  * that can be found in the license/LICENSE.txt file.
  */
 
-package org.jetbrains.kotlin.resolve
+package org.jetbrains.kotlin.resolve.deprecation
 
 import org.jetbrains.kotlin.descriptors.CallableDescriptor
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor