Minor, drop some obsolete usages of TRAIT in compiler

compiler/backend/src/org/jetbrains/kotlin/codegen/PropertyCodegen.java

@@ -156,7 +156,7 @@ public class PropertyCodegen {
 
         boolean isDefaultAccessor = accessor == null || !accessor.hasBody();
 
-        // Don't generate accessors for trait properties with default accessors in TRAIT_IMPL
+        // Don't generate accessors for interface properties with default accessors in DefaultImpls
         if (kind == OwnerKind.DEFAULT_IMPLS && isDefaultAccessor) return false;
 
         if (declaration == null) return true;

compiler/frontend/src/org/jetbrains/kotlin/resolve/ModifiersChecker.java

@@ -50,7 +50,7 @@ public class ModifiersChecker {
     private enum InnerModifierCheckResult {
         ALLOWED,
         ILLEGAL_POSITION,
-        IN_TRAIT,
+        IN_INTERFACE,
         IN_OBJECT,
     }
 
@@ -78,7 +78,7 @@ public class ModifiersChecker {
         if (!(containingDeclaration instanceof ClassDescriptor)) return InnerModifierCheckResult.ILLEGAL_POSITION;
 
         if (DescriptorUtils.isInterface(containingDeclaration)) {
-            return InnerModifierCheckResult.IN_TRAIT;
+            return InnerModifierCheckResult.IN_INTERFACE;
         }
         else if (DescriptorUtils.isObject(containingDeclaration)) {
             return InnerModifierCheckResult.IN_OBJECT;

core/descriptor.loader.java/src/org/jetbrains/kotlin/resolve/jvm/JvmClassName.java

@@ -17,7 +17,6 @@
 package org.jetbrains.kotlin.resolve.jvm;
 
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.kotlin.load.java.JvmAbi;
 import org.jetbrains.kotlin.name.ClassId;
 import org.jetbrains.kotlin.name.FqName;
 
@@ -51,8 +50,6 @@ public class JvmClassName {
         return byFqNameWithoutInnerClasses(new FqName(fqName));
     }
 
-    private final static String TRAIT_IMPL_REPLACE_GUARD = "<trait_impl>";
-
     // Internal name:  kotlin/Map$Entry
     // FqName:         kotlin.Map.Entry
 
@@ -69,12 +66,7 @@ public class JvmClassName {
     @NotNull
     public FqName getFqNameForClassNameWithoutDollars() {
         if (fqName == null) {
-            String fqName = internalName
-                    .replace(JvmAbi.DEFAULT_IMPLS_CLASS_NAME, TRAIT_IMPL_REPLACE_GUARD)
-                    .replace('$', '.')
-                    .replace('/', '.')
-                    .replace(TRAIT_IMPL_REPLACE_GUARD, JvmAbi.DEFAULT_IMPLS_CLASS_NAME);
-            this.fqName = new FqName(fqName);
+            this.fqName = new FqName(internalName.replace('$', '.').replace('/', '.'));
         }
         return fqName;
     }