Remove explicit enabling the new type inference from test data

compiler/testData/cli/jvm/newInferenceImpliesProgressiveModeForNI.out

@@ -1,16 +1,11 @@
-warning: ATTENTION!
-This build uses unsafe internal compiler arguments:
-
--XXLanguage:+NewInference
-
-This mode is not recommended for production use,
-as no stability/compatibility guarantees are given on
-compiler or generated code. Use it at your own risk!
-
 compiler/testData/cli/jvm/newInferenceImpliesProgressiveModeForNI.kt:6:13: warning: parameter 'x' is never used
     fun bar(x: Int = 0): String = ""
             ^
 compiler/testData/cli/jvm/newInferenceImpliesProgressiveModeForNI.kt:9:13: warning: variable 'r1' is never used
         val r1 = foo(::bar)
             ^
+compiler/testData/cli/jvm/newInferenceImpliesProgressiveModeForNI.kt:9:22: warning: candidate resolution will be changed soon, please use fully qualified name to invoke the following closer candidate explicitly '
+public final fun bar(x: Int = ...): String defined in Scope'
+        val r1 = foo(::bar)
+                     ^
 OK