Remove fallbacking of UL (to LightClasses) by complexity checking

idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/IDELightClassGenerationSupport.kt

@@ -16,8 +16,6 @@
 
 package org.jetbrains.kotlin.idea.caches.resolve
 
-import com.intellij.openapi.diagnostic.debug
-import com.intellij.openapi.module.Module
 import com.intellij.openapi.module.ModuleUtilCore
 import com.intellij.openapi.project.Project
 import com.intellij.psi.PsiManager
@@ -29,7 +27,6 @@ import com.intellij.psi.util.PsiModificationTracker
 import com.intellij.util.containers.ConcurrentFactoryMap
 import org.jetbrains.kotlin.asJava.LightClassBuilder
 import org.jetbrains.kotlin.asJava.LightClassGenerationSupport
-import org.jetbrains.kotlin.asJava.UltraLightClassModifierExtension
 import org.jetbrains.kotlin.asJava.builder.InvalidLightClassDataHolder
 import org.jetbrains.kotlin.asJava.builder.LightClassDataHolder
 import org.jetbrains.kotlin.asJava.classes.*
@@ -43,7 +40,6 @@ import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
 import org.jetbrains.kotlin.descriptors.annotations.AnnotationDescriptor
 import org.jetbrains.kotlin.idea.caches.lightClasses.IDELightClassContexts
 import org.jetbrains.kotlin.idea.caches.lightClasses.LazyLightClassDataHolder
-import org.jetbrains.kotlin.idea.facet.KotlinFacet
 import org.jetbrains.kotlin.idea.project.languageVersionSettings
 import org.jetbrains.kotlin.idea.resolve.frontendService
 import org.jetbrains.kotlin.idea.stubindex.KotlinTypeAliasShortNameIndex
@@ -68,10 +64,6 @@ class IDELightClassGenerationSupport(private val project: Project) : LightClassG
         override val isReleasedCoroutine
             get() = module?.languageVersionSettings?.supportsFeature(LanguageFeature.ReleaseCoroutines) ?: true
 
-        override fun isTooComplexForUltraLightGeneration(element: KtDeclaration): Boolean {
-            return false
-        }
-
         override val moduleDescriptor by lazyPub {
             element.getResolutionFacade().moduleDescriptor
         }