Remove GraphLayout.roundMarkers (NFC)

Author: karwa

Sources/SwiftPlot/GraphLayout.swift

@@ -104,13 +104,12 @@ extension GraphLayout {
 
         // 3. Now that we have the final sizes of everything, we can calculate their locations.
         let plotRect = layoutPlotRect(plotSize: plotSize, componentSizes: sizes)
-        let roundedMarkers = markers.map { var m = $0; roundMarkers(&m); return m } ?? PlotMarkers()
 
         var plan = LayoutPlan(totalSize: size,
                               plotBorderRect: plotRect,
                               allComponents: components,
                               sizes: sizes,
-                              plotMarkers: roundedMarkers,
+                              plotMarkers: markers ?? PlotMarkers(),
                               legendLabels: legendInfo ?? [])
         calcMarkerTextLocations(renderer: renderer, plan: &plan)
         calcLegend(plan.legendLabels, renderer: renderer, plan: &plan)
@@ -222,19 +221,6 @@ extension GraphLayout {
         return plotSize
     }
 
-    /// Rounds the given markers to integer pixel locations, for sharper gridlines.
-    private func roundMarkers(_ markers: inout PlotMarkers) {
-        //      for i in markers.xMarkers.indices {
-        //        markers.xMarkers[i].round(.down)
-        //      }
-        //      for i in markers.yMarkers.indices {
-        //        markers.yMarkers[i].round(.down)
-        //      }
-        //      for i in markers.y2Markers.indices {
-        //        markers.y2Markers[i].round(.down)
-        //      }
-    }
-    
     private func calcMarkerTextLocations(renderer: Renderer, plan: inout LayoutPlan) {
         let xLabelOffset = plotBorder.thickness + Self.markerStemLength + Self.xMarkerSpace
         let yLabelOffset = plotBorder.thickness + Self.markerStemLength + Self.yMarkerSpace