Remove redundant method implementations

jplag.frontend.scala/src/main/scala/de/jplag/scala/Language.scala

@@ -4,7 +4,6 @@ import de.jplag.TokenList
 
 import java.io.File
 
-
 class Language extends de.jplag.Language {
   private val parser = new Parser
   private final val fileExtensions = Array(".scala")
@@ -21,9 +20,5 @@ class Language extends de.jplag.Language {
 
   override def hasErrors: Boolean = this.parser.hasErrors
 
-  override def supportsColumns = true
-
-  override def isPreformatted = true
-
   def numberOfTokens: Int = ScalaTokenConstants.maxId
 }