Get rid of obsolete syntax in quickfixes changing lambda's signature

- Do not wrap parameters with '()'
- Do not set return type for them
- Fix existing testData

idea/testData/refactoring/changeSignature/FunctionLiteralAfter.kt

@@ -1,3 +1,3 @@
 fun foo() {
-    val v1 = {(z: Int, y1: String, x: Any): Int -> println(z); println(y1) }
+    val v1 = { z: Int, y1: String, x: Any -> println(z); println(y1) }
 }

idea/testData/refactoring/changeSignature/FunctionLiteralBefore.kt

@@ -1,3 +1,3 @@
 fun foo() {
-    val v1 = {(<caret>z: Int, y: String) -> println(z); println(y) }
+    val v1 = {<caret>z: Int, y: String -> println(z); println(y) }
 }

idea/testData/refactoring/changeSignature/GenericsWithSAMConstructorsAfter.1.kt

@@ -1,5 +1,5 @@
 fun test() {
-    SamTest.test(Foo<String, Int> { (s, n) -> "" })
-    SamTest.test(Foo { (s: MutableList<X<Int>>, n: X<MutableSet<String>>) -> "" })
-    SamTest.test(Foo { (s: MutableList<X<Int>>, n: X<MutableSet<String>>): X<MutableList<String>>? -> "" })
+    SamTest.test(Foo<String, Int> { s, n -> "" })
+    SamTest.test(Foo { s: MutableList<X<Int>>, n: X<MutableSet<String>> -> "" })
+    SamTest.test(Foo { s: MutableList<X<Int>>, n: X<MutableSet<String>> -> "" })
 }

idea/testData/refactoring/changeSignature/GenericsWithSAMConstructorsBefore.1.kt

@@ -1,5 +1,5 @@
 fun test() {
-    SamTest.test(Foo<String, Int> { (s, n) -> "" })
-    SamTest.test(Foo { (s: String, n: Int) -> "" })
-    SamTest.test(Foo { (s: String, n: Int): String -> "" })
+    SamTest.test(Foo<String, Int> { s, n -> "" })
+    SamTest.test(Foo { s: String, n: Int -> "" })
+    SamTest.test(Foo { s: String, n: Int -> "" })
 }

idea/testData/refactoring/changeSignature/SAMAddToEmptyParamListBefore.1.kt

@@ -1,5 +1,5 @@
 fun test() {
     JTest.samTest(SAM { " " })
-    JTest.samTest(SAM { () -> " " })
+    JTest.samTest(SAM { -> " " })
     JTest.samTest(SAM { -> " " })
 }

idea/testData/refactoring/changeSignature/SAMAddToNonEmptyParamListAfter.1.kt

@@ -1,3 +1,3 @@
 fun test() {
-    JTest.samTest(SAM {(s, n, o) -> s + " " + n })
+    JTest.samTest(SAM { s, n, o -> s + " " + n })
 }

idea/testData/refactoring/changeSignature/SAMAddToNonEmptyParamListBefore.1.kt

@@ -1,3 +1,3 @@
 fun test() {
-    JTest.samTest(SAM { (s, n) -> s + " " + n })
+    JTest.samTest(SAM { s, n -> s + " " + n })
 }

idea/testData/refactoring/changeSignature/SAMAddToSingletonParamListAfter.1.kt

@@ -1,5 +1,5 @@
 fun test() {
-    JTest.samTest(SAM {(n, s) -> s + " " })
-    JTest.samTest(SAM {(n, s) -> s + " " })
-    JTest.samTest(SAM {(n, it) -> it + " " })
+    JTest.samTest(SAM { n, s -> s + " " })
+    JTest.samTest(SAM { n, s -> s + " " })
+    JTest.samTest(SAM { n, it -> it + " " })
 }

idea/testData/refactoring/changeSignature/SAMAddToSingletonParamListBefore.1.kt

@@ -1,5 +1,5 @@
 fun test() {
     JTest.samTest(SAM { s -> s + " " })
-    JTest.samTest(SAM { (s) -> s + " " })
+    JTest.samTest(SAM { s -> s + " " })
     JTest.samTest(SAM { it + " " })
 }

idea/testData/refactoring/changeSignature/SAMChangeMethodReturnTypeAfter.1.kt

@@ -1,4 +1,4 @@
 fun test() {
-    JTest.samTest(SAM { (s, n) -> s + " " })
-    JTest.samTest(SAM { (s, n): Any? -> s + " " })
+    JTest.samTest(SAM { s, n -> s + " " })
+    JTest.samTest(SAM { s, n -> s + " " })
 }

idea/testData/refactoring/changeSignature/SAMChangeMethodReturnTypeBefore.1.kt

@@ -1,4 +1,4 @@
 fun test() {
-    JTest.samTest(SAM { (s, n) -> s + " " })
-    JTest.samTest(SAM { (s, n): String -> s + " " })
+    JTest.samTest(SAM { s, n -> s + " " })
+    JTest.samTest(SAM { s, n -> s + " " })
 }

idea/testData/refactoring/changeSignature/SAMChangeParamTypeAfter.1.kt

@@ -1,4 +1,4 @@
 fun test() {
-    JTest.samTest(SAM { (s, n) -> s + " " })
-    JTest.samTest(SAM { (s: Any, n: Int) -> x + " " })
+    JTest.samTest(SAM { s, n -> s + " " })
+    JTest.samTest(SAM { s: Any, n: Int -> x + " " })
 }

idea/testData/refactoring/changeSignature/SAMChangeParamTypeBefore.1.kt

@@ -1,4 +1,4 @@
 fun test() {
-    JTest.samTest(SAM { (s, n) -> s + " " })
-    JTest.samTest(SAM { (s: String, n: Int) -> x + " " })
+    JTest.samTest(SAM { s, n -> s + " " })
+    JTest.samTest(SAM { s: String, n: Int -> x + " " })
 }

idea/testData/refactoring/changeSignature/SAMRemoveParamBefore.1.kt

@@ -1,4 +1,4 @@
 fun test() {
-    JTest.samTest(SAM { (s, n) -> s + " " })
-    JTest.samTest(SAM { (x, y) -> x + " " })
+    JTest.samTest(SAM { s, n -> s + " " })
+    JTest.samTest(SAM { x, y -> x + " " })
 }

idea/testData/refactoring/changeSignature/SAMRemoveSingletonParamListAfter.1.kt

@@ -1,5 +1,4 @@
 fun test() {
-    JTest.samTest(SAM { s + " " })
     JTest.samTest(SAM { s + " " })
     JTest.samTest(SAM { it + " " })
 }

idea/testData/refactoring/changeSignature/SAMRemoveSingletonParamListBefore.1.kt

@@ -1,5 +1,4 @@
 fun test() {
     JTest.samTest(SAM { s -> s + " " })
-    JTest.samTest(SAM { (s) -> s + " " })
     JTest.samTest(SAM { it + " " })
 }