Adjust testData: get rid of obsolete annotations

compiler/testData/codegen/box/functions/functionExpression/functionExpression.kt

@@ -18,7 +18,7 @@ fun box() : String {
     if(  1.(fun Int.(i: Int) = i + this)(1) != 2) return "test 6 failed";
     if(  (fooT1<String>()("mama")) != "mama")  return "test 7 failed";
 
-    val a = [A] fun Int.() = this + 1
+    val a = @A fun Int.() = this + 1
     if (1.a() != 2) return "test 8 failed"
     val b = ( fun Int.() = this + 1)
     if (1.b() != 2) return "test 9 failed"

compiler/testData/codegen/box/functions/functionExpression/functionExpressionWithName.kt

@@ -18,7 +18,7 @@ fun box() : String {
     if(  1.(fun Int.name(i: Int) = i + this)(1) != 2) return "test 6 failed";
     if(  (fooT1<String>()("mama")) != "mama")  return "test 7 failed";
 
-    val a = [A] fun Int.name() = this + 1 // name
+    val a = @A fun Int.name() = this + 1 // name
     if (1.a() != 2) return "test 8 failed"
     val b = ( fun Int.name() = this + 1)
     if (1.b() != 2) return "test 9 failed"

compiler/testData/codegen/box/localClasses/kt3389.kt

@@ -3,7 +3,7 @@ package t
 class Reproduce {
 
     fun test(): String {
-        [data] class Foo(val bar: String, val baz: Int)
+        @data class Foo(val bar: String, val baz: Int)
         val foo = Foo("OK", 5)
         return foo.bar
     }

compiler/testData/codegen/box/properties/twoAnnotatedExtensionPropertiesWithoutBackingFields.kt

@@ -1,9 +1,9 @@
 annotation class Anno
 
-[Anno] val Int.foo: Int
+@Anno val Int.foo: Int
     get() = this
 
-[Anno] val String.foo: Int
+@Anno val String.foo: Int
     get() = 42
 
 fun box() = if (42.foo == 42 && "OK".foo == 42) "OK" else "Fail"