Remove unused scala.reflect imports

Author: smarter

compiler/src/dotty/tools/backend/jvm/CollectEntryPoints.scala

@@ -15,7 +15,6 @@ import java.io.{File => JFile}
 import scala.collection.generic.Clearable
 import scala.collection.mutable
 import scala.reflect.ClassTag
-import scala.reflect.internal.util.WeakHashSet
 import scala.reflect.io.{Directory, PlainDirectory, AbstractFile}
 import scala.tools.asm.{ClassVisitor, FieldVisitor, MethodVisitor}
 import scala.tools.nsc.backend.jvm.{BCodeHelpers, BackendInterface}

compiler/src/dotty/tools/backend/jvm/LabelDefs.scala

@@ -16,7 +16,6 @@ import scala.collection.generic.Clearable
 import scala.collection.mutable
 import scala.collection.mutable.{ListBuffer, ArrayBuffer}
 import scala.reflect.ClassTag
-import scala.reflect.internal.util.WeakHashSet
 import scala.reflect.io.{Directory, PlainDirectory, AbstractFile}
 import scala.tools.asm.{ClassVisitor, FieldVisitor, MethodVisitor}
 import scala.tools.nsc.backend.jvm.{BCodeHelpers, BackendInterface}

compiler/src/dotty/tools/dotc/config/Settings.scala

@@ -3,7 +3,6 @@ package config
 
 import collection.mutable.{ ArrayBuffer }
 import scala.util.{ Try, Success, Failure }
-import scala.reflect.internal.util.StringOps
 import reflect.ClassTag
 import core.Contexts._
 // import annotation.unchecked

compiler/src/dotty/tools/dotc/core/Definitions.scala

@@ -10,7 +10,6 @@ import scala.collection.{ mutable, immutable }
 import PartialFunction._
 import collection.mutable
 import util.common.alwaysZero
-import scala.reflect.api.{ Universe => ApiUniverse }
 
 object Definitions {
 

compiler/src/dotty/tools/dotc/util/ShowPickled.scala

@@ -5,8 +5,6 @@ import java.io.{File, FileInputStream, PrintStream}
 import java.lang.Long.toHexString
 import java.lang.Float.intBitsToFloat
 import java.lang.Double.longBitsToDouble
-import scala.reflect.internal.Flags
-import scala.reflect.internal.pickling.PickleFormat
 import core.unpickleScala2.PickleBuffer
 import core.Names._
 

compiler/test/dotty/tools/dotc/reporting/TestReporter.scala

@@ -7,7 +7,6 @@ import util.SourcePosition
 import core.Contexts._
 import Reporter._
 import java.io.PrintWriter
-import scala.reflect.internal.util._
 import diagnostic.{ Message, MessageContainer, NoExplanation }
 import diagnostic.messages._