Delay ForbidInferringTypeVariablesIntoEmptyIntersection to 2.*

Note: here we set sinceVersion = null for this feature.
However, we plan in 1.9.* - 2.0 time frame to solve KT-56377
and to enable this feature in 2.0, the latest in 2.1.

compiler/testData/diagnostics/testsWithStdLib/greater.kt

@@ -7,6 +7,6 @@ fun <T : Comparable<T>, S : T?> Expression<in S>.greater(other: T): GreaterOp =
 
 fun foo(countExpr: Expression<Long>) {
     countExpr.greater(0)
-    countExpr.<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_ERROR!>greater<!>("0")
+    countExpr.<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING!>greater<!>("0")
     countExpr.greater<String, Nothing>("0")
 }