Moving platformStatic annotation to kotlin.platform package

core/builtins/src/kotlin/Annotations.kt

@@ -23,5 +23,3 @@ public annotation class deprecated(val value: String)
 public annotation class suppress(vararg val names: String)
 
 public annotation class tailRecursive
-
-public annotation class platformStatic

core/descriptors/src/org/jetbrains/jet/lang/types/lang/KotlinBuiltIns.java

@@ -333,11 +333,6 @@ public class KotlinBuiltIns {
         return getBuiltInClassByName("tailRecursive");
     }
 
-    @NotNull
-    public ClassDescriptor getPlatformStaticAnnotationClass() {
-        return getBuiltInClassByName("platformStatic");
-    }
-
     @NotNull
     public ClassDescriptor getDeprecatedAnnotation() {
         return getBuiltInClassByName("deprecated");
@@ -867,10 +862,6 @@ public class KotlinBuiltIns {
         return containsAnnotation(declarationDescriptor, getTailRecursiveAnnotationClass());
     }
 
-    public boolean isPlatformStatic(@NotNull CallableDescriptor callableDescriptor) {
-        return containsAnnotation(callableDescriptor, getPlatformStaticAnnotationClass());
-    }
-
     public boolean isSuppressAnnotation(@NotNull AnnotationDescriptor annotationDescriptor) {
         ClassifierDescriptor classifier = annotationDescriptor.getType().getConstructor().getDeclarationDescriptor();
         return classifier != null && fqNames.suppress.equals(DescriptorUtils.getFqName(classifier));