Get rid of unnecessary imports in parsers

Author: felixmulder

src/dotty/tools/dotc/parsing/JavaParsers.scala

@@ -29,7 +29,6 @@ import scala.reflect.internal.util.Collections._
 object JavaParsers {
 
   import ast.untpd._
-  import reporting.diagnostic.syntax._
 
   class JavaParser(source: SourceFile)(implicit ctx: Context) extends ParserCommon(source) {
 

src/dotty/tools/dotc/parsing/MarkupParsers.scala

@@ -32,7 +32,6 @@ import Utility._
 object MarkupParsers {
 
   import ast.untpd._
-  import reporting.diagnostic.syntax._
 
   case object MissingEndTagControl extends ControlThrowable {
     override def getMessage = "start tag was here: "