Remove unused classes

Author: nicolasstucki

compiler/src/dotty/tools/dotc/tastyreflect/CaseDefOpsImpl.scala

@@ -6,21 +6,9 @@ import dotty.tools.dotc.util.{SourcePosition, Spans}
 class ReflectionImpl private (ctx: Contexts.Context, pos: SourcePosition)
     extends scala.tasty.Reflection
     with CoreImpl
-    with CaseDefOpsImpl
-    with ConstantOpsImpl
     with ContextOpsImpl
     with CommentOpsImpl
-    with FlagsOpsImpl
-    with IdOpsImpl
-    with ImportSelectorOpsImpl
-    with QuotedOpsImpl
-    with PatternOpsImpl
-    with PositionOpsImpl
     with PrintersImpl
-    with RootPositionImpl
-    with SettingsOpsImpl
-    with SignatureOpsImpl
-    with StandardDefinitions
     with SymbolOpsImpl
     with TreeOpsImpl
     with TypeOrBoundsTreesOpsImpl