Intention / inspection for unnecessary lateinit #KT-13011 Fixed

(cherry picked from commit 45d82f1)

idea/testData/intentions/removeUnnecessaryLateinit/lateinitWithMultipleConstructorsAndDelegation.kt

@@ -0,0 +1,15 @@
+// INTENTION_TEXT: Remove unnecessary lateinit
+
+class Foo {
+    <caret>lateinit var bar: String
+
+    constructor() {
+        bar = ""
+    }
+
+    constructor(a: Int) : this() {
+    }
+
+    constructor(a: Int, b: Int) : this(a) {
+    }
+}