Drop all tests that disable features for language version less than 3

compiler/testData/codegen/bytecodeText/constProperty/noInline.kt

@@ -1,12 +0,0 @@
-// !LANGUAGE: -InlineConstVals
-// IGNORE_BACKEND_FIR: JVM_IR
-
-// Fir2Ir IrConstTransformer inline everything it can unconditionally
-// No fix atm, we don't have to support this feature
-const val z = 0
-
-fun a() {
-    val x = z
-}
-
-// 1 GETSTATIC NoInlineKt.z : I

compiler/testData/codegen/bytecodeText/constProperty/noInlineInCmp.kt

@@ -1,12 +0,0 @@
-// !LANGUAGE: -InlineConstVals
-// IGNORE_BACKEND_FIR: JVM_IR
-// FIR status: don't support legacy feature
-
-const val z = 0
-
-fun a() {
-    if (z == 2) {
-    }
-}
-
-// 1 GETSTATIC NoInlineInCmpKt.z : I

compiler/testData/codegen/bytecodeText/constants/noInlineNonStaticJavaField_lv10.kt

@@ -1,15 +0,0 @@
-// !LANGUAGE: -InlineConstVals
-// FILE: test.kt
-fun test1(a: A) = a.X
-fun test2(a: A) = 1 + a.X
-fun test3(a: A) = 1 < a.X
-
-// FILE: A.java
-public class A {
-    public final int X = 42;
-}
-
-// @TestKt.class:
-// 0 42
-// 0 43
-// 3 GETFIELD A.X

compiler/testData/codegen/bytecodeText/lazyCodegen/negateConstantCompare.kt

@@ -1,14 +0,0 @@
-// !LANGUAGE: -InlineConstVals
-// IGNORE_BACKEND_FIR: JVM_IR
-// FIR status: don't support legacy feature
-
-const val one = 1
-const val two = 2
-
-fun test1() {
-    if (!(one < two)) {
-        val p = 1
-    }
-}
-
-// 1 IF

compiler/testData/codegen/bytecodeText/whenStringOptimization/nonInlinedConst.kt

@@ -1,16 +0,0 @@
-// !LANGUAGE: -InlineConstVals
-// IGNORE_BACKEND_FIR: JVM_IR
-// FIR status: don't support legacy feature
-
-const val y = "cde"
-
-fun foo(x : String) : String {
-    when (x) {
-        "abc", "${y}" -> return "abc_cde"
-        "e" + "fg", "ghi" -> return "efg_ghi"
-    }
-
-    return "other"
-}
-
-// 0 LOOKUPSWITCH