Implement Unwrap/Remove for lambdas

idea/testData/codeInsight/unwrapAndRemove/unwrapLambda/lambdaCallCompoundInBlock.kt

@@ -0,0 +1,7 @@
+// OPTION: 0
+fun foo() {
+    run(1, 2) <caret>{
+        println("lambda")
+        println("another lambda")
+    }
+}