Fixed test data for new lambda syntax

compiler/testData/diagnostics/tests/functionLiterals/return/AutoLabels.kt

@@ -1,18 +1,17 @@
 fun f() {
-    foo {(): Int ->
+    foo {
         return@foo 1
     }
-    foo({(): Int ->
+    foo({
         return@foo 1
     }
     )
-    foo(a = {(): Int ->
+    foo(a = {
         return@foo 1
     })
 
-    foo {(): Int ->
+    foo {
         foo {
-            (): Int ->
             return<!LABEL_NAME_CLASH!>@foo<!> 1
         }
         return@foo 1

compiler/testData/diagnostics/tests/functionLiterals/return/AutoLabelsNonLocal.kt

@@ -1,7 +1,6 @@
 fun f() {
-    foo {(): Int ->
+    foo {
         bar {
-            (): Int ->
             <!RETURN_NOT_ALLOWED!>return@foo 1<!>
         }
         return@foo 1

compiler/testData/diagnostics/tests/functionLiterals/return/LambdaWithParameter.kt

@@ -1,7 +1,7 @@
 val flag = true
 
 val a /*: (Int) -> String */ = @l {
-    (i: Int) ->
+    i: Int ->
     if (i == 0) return@l i.toString()
 
     "Ok"
@@ -10,7 +10,7 @@ val a /*: (Int) -> String */ = @l {
 fun <T> foo(f: (Int) -> T): T = f(0)
 
 val b /*:String */ = foo {
-    (i) ->
+    i ->
     if (i == 0) return@foo i.toString()
 
     "Ok"

compiler/testData/diagnostics/tests/functionLiterals/return/LocalReturnHasTypeNothing.kt

@@ -1,5 +1,5 @@
 fun test() {
-    run1 @f{(): Int ->
+    run1 @f{
         (return@f 1)<!UNREACHABLE_CODE!>: Nothing<!>
     }
 }

compiler/testData/diagnostics/tests/functionLiterals/return/SmartCast.kt

@@ -1,6 +1,6 @@
 // KT-6822 Smart cast doesn't work inside local returned expression in lambda 
 
-val a /* :(Int?) -> Int? */ = @l { (it: Int?) -> // but must be (Int?) -> Int
+val a /* :(Int?) -> Int? */ = @l { it: Int? -> // but must be (Int?) -> Int
     if (it != null) return@l it
     5
 }

compiler/testData/diagnostics/tests/functionLiterals/unusedLiteral.kt

@@ -1,12 +1,12 @@
 fun unusedLiteral(){
-    <!UNUSED_FUNCTION_LITERAL!>{() ->
+    <!UNUSED_FUNCTION_LITERAL!>{ ->
         val <!UNUSED_VARIABLE!>i<!> = 1
     }<!>
 }
 
 
 fun unusedLiteralInDoWhile(){
-    do<!UNUSED_FUNCTION_LITERAL!>{() ->
+    do<!UNUSED_FUNCTION_LITERAL!>{ ->
             val <!UNUSED_VARIABLE!>i<!> = 1
     }<!> while(false)
 }