JVM: refactor JvmDefaultMode, remove/rename some entries

- remove ENABLE/COMPATIBILITY because they can no longer be used
- remove forAllMethodsWithBody because its behavior is now equivalent to
  isEnabled
- inline isCompatibility
- inline DEFAULT
- rename ALL_INCOMPATIBLE -> ALL

compiler/fir/checkers/checkers.jvm/src/org/jetbrains/kotlin/fir/analysis/jvm/checkers/FirJvmAnnotationHelper.kt

@@ -24,7 +24,7 @@ fun <D> FirBasedSymbol<out D>.isCompiledToJvmDefault(
     if (getAnnotationByClassId(JvmStandardClassIds.Annotations.JvmDefault, session) != null) return true
 
     val container = getContainingClassSymbol(session)
-    if (container !is FirRegularClassSymbol || container.origin.fromSource) return jvmDefaultMode.forAllMethodsWithBody
+    if (container !is FirRegularClassSymbol || container.origin.fromSource) return jvmDefaultMode.isEnabled
 
     // Opt-in is fine here because this flag is only possible for deserialized declarations, and it's set during deserialization.
     @OptIn(SymbolInternals::class)

compiler/fir/checkers/checkers.jvm/src/org/jetbrains/kotlin/fir/analysis/jvm/checkers/declaration/FirJvmDefaultChecker.kt

@@ -36,7 +36,7 @@ object FirJvmDefaultChecker : FirBasicDeclarationChecker(MppCheckerKind.Common)
         if (annotationWithCompatibility != null) {
             val source = annotationWithCompatibility.source
             when {
-                jvmDefaultMode != JvmDefaultMode.ALL_INCOMPATIBLE -> {
+                jvmDefaultMode != JvmDefaultMode.ALL -> {
                     reporter.reportOn(source, FirJvmErrors.JVM_DEFAULT_WITH_COMPATIBILITY_IN_DECLARATION, context)
                     return
                 }