[FIR] Fix Java override ambiguity (Kotlin type parameter VS Java Object)

compiler/testData/diagnostics/tests/j+k/collectionOverrides/removeAtInt.fir.kt

@@ -18,6 +18,6 @@ fun main(a: A, b: B, c: ArrayList<Int>) {
     a.removeAt(0)
     b.remove(1)
     b.removeAt(0)
-    c.<!AMBIGUITY!>remove<!>(1)
+    c.remove(1)
     c.removeAt(0)
 }

compiler/testData/diagnostics/tests/regressions/DoubleDefine.fir.kt

@@ -14,7 +14,7 @@ fun evaluateArg(expr: CharSequence, numbers: ArrayList<Int>): Int {
   if (c >= '0' && c <= '9') {
     val n = c <!UNRESOLVED_REFERENCE!>-<!> '0'
     if (!numbers.contains(n)) throw Exception("You used incorrect number: " + n)
-    numbers.<!AMBIGUITY!>remove<!>(n)
+    numbers.remove(n)
     return n
   }
   throw Exception("Syntax error: Unrecognized character " + c)