New J2K: Move optimize imports invocation out of processings

idea/src/org/jetbrains/kotlin/idea/j2k/J2kPostProcessor.kt

@@ -16,6 +16,7 @@
 
 package org.jetbrains.kotlin.idea.j2k
 
+import com.intellij.codeInsight.actions.OptimizeImportsProcessor
 import com.intellij.openapi.application.ApplicationManager
 import com.intellij.openapi.application.ModalityState
 import com.intellij.openapi.editor.RangeMarker
@@ -74,7 +75,7 @@ class J2kPostProcessor(
                     }
                 else -> error("Processing tree is corrupted")
             }
-
+        OptimizeImportsProcessor(file.project, file.containingKtFile).run()
         val groupsOfProcessings = postProcessingRegistrar.mainProcessings.flattenToGroups()
 
         runBlocking(EDT.ModalityStateElement(ModalityState.defaultModalityState())) {

idea/src/org/jetbrains/kotlin/idea/j2k/NewJ2kPostProcessings.kt

@@ -165,16 +165,6 @@ object NewJ2KPostProcessingRegistrarImpl : J2KPostProcessingRegistrar {
                 action.invoke(element.project, null, element.containingKtFile)
             },
 
-            SingleProcessing(object : J2kPostProcessing {
-                override fun createAction(element: KtElement, diagnostics: Diagnostics): (() -> Unit)? =
-                    {
-                        OptimizeImportsProcessor(element.project, element.containingKtFile).run()
-                        PsiDocumentManager.getInstance(element.project).commitAllDocuments()
-                    }
-
-                override val writeActionNeeded: Boolean = true
-            }),
-
             SingleProcessing(RemoveRedundantTypeQualifierProcessing()),
             SingleProcessing(RemoveRedundantExpressionQualifierProcessing()),