Minor: IGNORE_BACKEND: ANY_FIR -> IGNORE_BACKEND_FIR: ANY

for consistency with blackbox tests.

compiler/tests-common/tests/org/jetbrains/kotlin/test/InTextDirectivesUtils.java

@@ -230,8 +230,6 @@ public final class InTextDirectivesUtils {
     }
 
     public static boolean isIgnoredTarget(TargetBackend targetBackend, File file, String ignoreBackendDirectivePrefix) {
-        if (targetBackend == TargetBackend.ANY) return false;
-
         List<String> ignoredBackends = findListWithPrefixes(textWithDirectives(file), ignoreBackendDirectivePrefix);
         return ignoredBackends.contains(targetBackend.name());
     }

compiler/tests-common/tests/org/jetbrains/kotlin/test/KotlinTestUtils.java

@@ -763,10 +763,6 @@ public class KotlinTestUtils {
     }
 
     private static DoTest testWithCustomIgnoreDirective(DoTest test, TargetBackend targetBackend, String ignoreDirective) throws Exception {
-        if (targetBackend == TargetBackend.ANY && !AUTOMATICALLY_MUTE_FAILED_TESTS) {
-            return test;
-        }
-
         return filePath -> {
             File testDataFile = new File(filePath);
 

compiler/tests-common/tests/org/jetbrains/kotlin/test/TargetBackend.kt

@@ -10,7 +10,6 @@ enum class TargetBackend(
     private val compatibleWithTargetBackend: TargetBackend? = null
 ) {
     ANY(false),
-    ANY_FIR(true, ANY),
     JVM(false),
     JVM_IR(true, JVM),
     JS(false),