FIR: handle 'SinceKotlin' as a special kind of deprecated

#KT-51850 Fixed

compiler/testData/diagnostics/tests/multimodule/duplicateMethod/sinceKotlin.fir.kt

@@ -1,34 +0,0 @@
-// !API_VERSION: 1.0
-// MODULE: m1
-// FILE: a.kt
-
-package p1
-
-@SinceKotlin("1.1")
-fun foo(s: Int): String = s.toString()
-
-// MODULE: m2
-// FILE: b.kt
-
-package p2
-
-fun foo(s: Int): Int = s
-
-// MODULE: m3(m1, m2)
-// FILE: severalStarImports.kt
-import p1.*
-import p2.*
-
-fun test1(): Int {
-    val r = <!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!>(42)
-    return r
-}
-
-// FILE: explicitlyImportP1.kt
-import p1.foo  // TODO: consider reporting API_NOT_AVAILABLE here
-import p2.*
-
-fun test2(): Int {
-    val r = foo(42)
-    return <!RETURN_TYPE_MISMATCH!>r<!>
-}

compiler/testData/diagnostics/tests/multimodule/duplicateMethod/sinceKotlin.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !API_VERSION: 1.0
 // MODULE: m1
 // FILE: a.kt