router: remove some loose printfs()

pcbnew/router/pns_logger.cpp

@@ -104,8 +104,6 @@ wxString LOGGER::FormatEvent( const LOGGER::EVENT_ENTRY& aEvent )
 {
     wxString str = wxString::Format( "event %d %d %d %d %d ", aEvent.p.x, aEvent.p.y, aEvent.type, aEvent.layer, (int)aEvent.uuids.size() );
 
-    printf("*** formatEvent l %d\n", aEvent.layer );
-
     for( int i = 0; i < aEvent.uuids.size(); i++ )
     {
         str.Append( aEvent.uuids[i].AsString() );

pcbnew/router/pns_router.cpp

@@ -178,7 +178,6 @@ bool ROUTER::StartDragging( const VECTOR2I& aP, ITEM_SET aStartItems, int aDragM
     // more than 1 track segment or arc to drag? launch the multisegment dragger
     else if( aStartItems.Count( ITEM::SEGMENT_T | ITEM::ARC_T ) > 1 )
     {
-        fprintf(stderr,"MultiDrag triggered\n");
         m_dragger = std::make_unique<MULTI_DRAGGER>( this );
         m_state = DRAG_SEGMENT;
     }

pcbnew/router/router_tool.cpp

@@ -2248,7 +2248,6 @@ int ROUTER_TOOL::InlineDrag( const TOOL_EVENT& aEvent )
                 m_startItem = pitem;
                 if( pitem->Net() )
                     highlightNetcodes.insert( pitem->Net() );
-                printf("si %p, p=%d %d\n", m_startItem, p.x, p.y );
             }
         }