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/util/src/org/jetbrains/kotlin/config/JvmDefaultMode.kt

@@ -7,29 +7,18 @@ package org.jetbrains.kotlin.config
 
 enum class JvmDefaultMode(val description: String) {
     DISABLE("disable"),
-    ENABLE("enable"),
-    ENABLE_WITH_DEFAULT_IMPLS("compatibility"),
     ALL_COMPATIBILITY("all-compatibility"),
-    ALL_INCOMPATIBLE("all");
+    ALL("all");
 
     val isEnabled: Boolean
         get() = this != DISABLE
 
-    val isCompatibility: Boolean
-        get() = this == ENABLE_WITH_DEFAULT_IMPLS || this == ALL_COMPATIBILITY
-
-    val forAllMethodsWithBody: Boolean
-        get() = this == ALL_COMPATIBILITY || this == ALL_INCOMPATIBLE
-
     companion object {
-        @JvmField
-        val DEFAULT = DISABLE
-
         @JvmStatic
         fun fromStringOrNull(string: String?): JvmDefaultMode? = when (string) {
             DISABLE.description -> DISABLE
             ALL_COMPATIBILITY.description -> ALL_COMPATIBILITY
-            ALL_INCOMPATIBLE.description -> ALL_INCOMPATIBLE
+            ALL.description -> ALL
             else -> null
         }
     }