default -> companion: replace all mentions of default and default object

idea/testData/checker/duplicateJvmSignature/fields/classObjectCopiedFieldObject.kt

@@ -1,19 +1,19 @@
 class B {
-    default object <error>A</error> {
+    companion object <error>A</error> {
     }
 
     val <error>A</error> = this
 }
 
 class C {
-    default <error>object A</error> {
+    companion <error>object A</error> {
         <error>val A</error> = this
     }
 
 }
 
 class D {
-    default <error>object A</error> {
+    companion <error>object A</error> {
         <error>val `OBJECT$`</error> = this
     }
 

idea/testData/checker/duplicateJvmSignature/functionAndProperty/classObject.kt

@@ -1,5 +1,5 @@
 class C {
-    default object {
+    companion object {
         <error>val x</error> = 1
         <error>fun getX()</error> = 1
     }