Clean the code

compiler/psi/src/org/jetbrains/kotlin/psi/KtContractEffect.kt

@@ -9,10 +9,6 @@ import com.intellij.lang.ASTNode
 import org.jetbrains.kotlin.psi.stubs.KotlinContractEffectStub
 import org.jetbrains.kotlin.psi.stubs.elements.KtStubElementTypes
 
-//class KtContractEffect(node: ASTNode) : KtDeclarationImpl(node) {
-//
-//}
-
 class KtContractEffect: KtElementImplStub<KotlinContractEffectStub> { // TODO: check constructors
     public constructor(node: ASTNode): super(node)
     public constructor(stub: KotlinContractEffectStub): super(stub, KtStubElementTypes.CONTRACT_EFFECT)

compiler/psi/src/org/jetbrains/kotlin/psi/KtContractEffectList.kt

@@ -9,10 +9,6 @@ import com.intellij.lang.ASTNode
 import org.jetbrains.kotlin.psi.stubs.KotlinPlaceHolderStub
 import org.jetbrains.kotlin.psi.stubs.elements.KtStubElementTypes
 
-//class KtContractEffectList(node: ASTNode): KtDeclarationImpl(node) {
-//
-//}
-
 class KtContractEffectList : KtElementImplStub<KotlinPlaceHolderStub<KtContractEffectList>> {
     public constructor(node: ASTNode): super(node)
     public constructor(stub: KotlinPlaceHolderStub<KtContractEffectList>): super(stub, KtStubElementTypes.CONTRACT_EFFECT_LIST)

compiler/psi/src/org/jetbrains/kotlin/psi/stubs/elements/KtContractEffectElementType.kt

@@ -16,16 +16,13 @@ import org.jetbrains.kotlin.psi.stubs.impl.KotlinContractEffectStubImpl
 class KtContractEffectElementType(debugName: String, psiClass: Class<KtContractEffect>) :
     KtStubElementType<KotlinContractEffectStub, KtContractEffect>(debugName, psiClass, KotlinContractEffectStub::class.java) {
     override fun serialize(stub: KotlinContractEffectStub, dataStream: StubOutputStream) {
-//        TODO("Not yet implemented")
     }
 
     override fun deserialize(dataStream: StubInputStream, parentStub: StubElement<PsiElement>?): KotlinContractEffectStub {
-//        TODO("Not yet implemented")
         return KotlinContractEffectStubImpl(parentStub, this)
     }
 
     override fun createStub(psi: KtContractEffect, parentStub: StubElement<PsiElement>?): KotlinContractEffectStub {
-//        TODO("Not yet implemented")
         return KotlinContractEffectStubImpl(parentStub, this)
     }
 }

compiler/testData/psi/FunctionWithMultilineContract.kt

@@ -10,4 +10,4 @@ fun baz(num: Int?, element: MyElement, block: () -> Unit): Int contract [
         return 1;
     }
     return 0
-}
+}

compiler/testData/psi/FunctionWithTypeConstraintsAndContract.kt

@@ -9,4 +9,4 @@ fun someFunctionWithTypeConstraints<T, E>(arg: E?, block: () -> T): String
     block()
     arg ?: throw NullArgumentException()
     return "some string"
-}
+}

compiler/testData/psi/SimpleFunctionWithContract.kt

@@ -1,3 +1,3 @@
 fun foo(s: String?) contract [returns() implies (s != null)] {
     s ?: throw NullArgumentException()
-}
+}