KT-650 Prohibit creating class without constructor

idea/testData/quickfix/addPrimaryConstructor/afterAddPrimaryConstructor1.kt

@@ -1,6 +0,0 @@
-// "Add primary constructor to A" "true"
-package a
-
-class A() {
-    var i : Int = <caret>1
-}

idea/testData/quickfix/addPrimaryConstructor/afterAddPrimaryConstructor2.kt

@@ -1,6 +0,0 @@
-// "Add primary constructor to A" "true"
-package a
-
-class A<caret>() {
-    var i : Int = 1
-}

idea/testData/quickfix/addPrimaryConstructor/beforeAddPrimaryConstructor1.kt

@@ -1,6 +0,0 @@
-// "Add primary constructor to A" "true"
-package a
-
-class A {
-    var i : Int = <caret>1
-}

idea/testData/quickfix/addPrimaryConstructor/beforeAddPrimaryConstructor2.kt

@@ -1,6 +0,0 @@
-// "Add primary constructor to A" "true"
-package a
-
-class A<caret> {
-    var i : Int = 1
-}