Migrate testdata to new lambda syntax

idea/testData/intentions/operatorToFunction/functionCallWithMultipleArgumentsAndSingleLambda.kt

@@ -4,5 +4,5 @@ class Mocha() {
 }
 fun main() {
     val mocha = Mocha()
-    val testing = mocha<caret>(1, "fire"){ (x: Int) -> "hello world" }
+    val testing = mocha<caret>(1, "fire"){ x: Int -> "hello world" }
 }

idea/testData/intentions/operatorToFunction/functionCallWithMultipleArgumentsAndSingleLambda.kt.after

@@ -4,5 +4,5 @@ class Mocha() {
 }
 fun main() {
     val mocha = Mocha()
-    val testing = mocha.invoke(1, "fire"){ (x: Int) -> "hello world" }
+    val testing = mocha.invoke(1, "fire"){ x: Int -> "hello world" }
 }

idea/testData/intentions/operatorToFunction/functionCallWithSingleLambda.kt

@@ -3,5 +3,5 @@ class Mocha() {
 }
 fun main() {
     val mocha = Mocha()
-    val testing = mocha<caret>{ (x: Int) -> "hello world" }
+    val testing = mocha<caret>{ x: Int -> "hello world" }
 }

idea/testData/intentions/operatorToFunction/functionCallWithSingleLambda.kt.after

@@ -3,5 +3,5 @@ class Mocha() {
 }
 fun main() {
     val mocha = Mocha()
-    val testing = mocha.invoke{ (x: Int) -> "hello world" }
+    val testing = mocha.invoke{ x: Int -> "hello world" }
 }

idea/testData/intentions/operatorToFunction/notApplicableFunctionCallWithCallableReference.kt

@@ -1,6 +1,6 @@
 // WITH_RUNTIME
 // IS_APPLICABLE: false
 fun foo() {
-    val bar = { (x: Int) -> x + 1 }
+    val bar = { x: Int -> x + 1 }
     val incremented = listOf(1, 2, 3).<caret>map(bar)
 }