remove debug output

Author: rssh

compiler/src/dotty/tools/dotc/typer/Checking.scala

@@ -1108,8 +1108,6 @@ trait Checking {
     then
       val conflicting = effectiveOwner.info.member(sym.name.toTypeName).symbol
       if conflicting.exists then
-        println(s"checkNoModuleClash:  sym: ${sym.fullName}, effectiveOwner=${effectiveOwner.className}")
-        Thread.dumpStack()
         report.error(AlreadyDefined(sym.name, effectiveOwner, conflicting), sym.srcPos)
 
  /**  Check that `tp` is a class type.

compiler/src/dotty/tools/dotc/typer/Namer.scala

@@ -142,7 +142,6 @@ class Namer { typer: Typer =>
       val other =
         if conflicting.is(ConstructorProxy) then conflicting.companionClass
         else conflicting
-      Thread.dumpStack()
       report.error(AlreadyDefined(name, owner, other), ctx.source.atSpan(span))
       conflictsDetected = true
 
@@ -158,8 +157,6 @@ class Namer { typer: Typer =>
               // test: conflict if package objects have the same name but come from different
               // sources. See i9252.
       then 
-        println(s"preExisting.associatedFile = ${preExisting.associatedFile}")
-        println(s"ctx.source.file = ${ctx.source.file}")
         conflict(preExisting)
 
     def pkgObjs(pkg: Symbol) =

compiler/src/dotty/tools/dotc/typer/Typer.scala

@@ -3359,7 +3359,6 @@ class Typer(@constructorOnly nestingLevel: Int = 0) extends Namer
         }
       case _ =>
         // Package will not exist if a duplicate type has already been entered, see `tests/neg/1708.scala`
-        Thread.dumpStack()
         errorTree(tree,
           if pkg.exists then PackageNameAlreadyDefined(pkg)
           else em"package ${tree.pid.name} does not exist")