Kapt: minor, remove unneeded check

Most likely it has been made obsolete by KT-27936 where we started to
generate all inner class names correctly.

 #KT-61080 Fixed

plugins/kapt3/kapt3-compiler/src/org/jetbrains/kotlin/kapt3/javac/KaptTreeMaker.kt

@@ -49,7 +49,7 @@ class KaptTreeMaker(context: Context, kaptContext: KaptContextForStubGeneration)
 
     @Suppress("FunctionName")
     fun FqName(internalOrFqName: String): JCTree.JCExpression {
-        val path = getQualifiedName(internalOrFqName).convertSpecialFqName().split('.')
+        val path = getQualifiedName(internalOrFqName).split('.')
         assert(path.isNotEmpty())
         return FqName(path)
     }
@@ -141,15 +141,6 @@ class KaptTreeMaker(context: Context, kaptContext: KaptContextForStubGeneration)
         }
     }
 
-    private fun String.convertSpecialFqName(): String {
-        // Hard-coded in ImplementationBodyCodegen, KOTLIN_MARKER_INTERFACES
-        if (this == "kotlin.jvm.internal.markers.KMutableMap\$Entry") {
-            return replace('$', '.')
-        }
-
-        return this
-    }
-
     private fun convertBuiltinType(type: Type): JCTree.JCExpression? {
         val typeTag = when (type) {
             BYTE_TYPE -> TypeTag.BYTE
@@ -189,4 +180,4 @@ private class DisposableReference<T : Any>(obj: T) : Disposable {
     override fun dispose() {
         obj = null
     }
-}
+}