Removed unnecessary alternative (right click) behavior

@Viewer/Viewer.m

@@ -15,9 +15,7 @@ classdef Viewer < handle
         h  = []
         im = []
         ax = []
-        lx = []
-        ly = []
-
+        
         slices
     end
     
@@ -112,19 +110,6 @@ classdef Viewer < handle
                 obj.im = imagesc(obj.ax,obj.slices{cv{:}});
                 colormap gray; axis image;
                 
-                x = obj.curPos(1);
-                y = obj.curPos(2);
-                
-                xmin = min(obj.ax.XLim);
-                xmax = max(obj.ax.XLim);
-                ymin = min(obj.ax.YLim);
-                ymax = max(obj.ax.YLim);
-                
-                hold on
-                obj.lx = plot(obj.ax,[x,x],[ymin,ymax],'r-','Visible','off');
-                obj.ly = plot(obj.ax,[xmin,xmax],[y,y],'r-','Visible','off');
-                hold off
-                
                 obj.h.KeyPressFcn         = @obj.KeyPressCallback;
                 obj.h.WindowButtonDownFcn = @obj.ButtonDownCallback;
                 obj.h.WindowButtonUpFcn   = @obj.ButtonUpCallback;
@@ -176,19 +161,6 @@ classdef Viewer < handle
                 obj.im.AlphaData = double(any(~isnan(obj.im.CData),3));
                 
                 obj.ax.CLim = obj.range_;
-                
-                x = obj.curPos(1);
-                y = obj.curPos(2);
-                
-                xmin = min(obj.ax.XLim);
-                xmax = max(obj.ax.XLim);
-                ymin = min(obj.ax.YLim);
-                ymax = max(obj.ax.YLim);
-                
-                obj.lx.XData = [x,x];
-                obj.lx.YData = [ymin,ymax];
-                obj.ly.XData = [xmin,xmax];
-                obj.ly.YData = [y,y];
             end
         end
         
@@ -213,11 +185,6 @@ classdef Viewer < handle
         end
         
         function ButtonDownCallback(obj,~,~)
-            if strcmp(obj.h.SelectionType,'alt')
-                obj.lx.Visible = 'on';
-                obj.ly.Visible = 'on';
-            end
-            
             refView = obj.curView;
             refPos = obj.ax.CurrentPoint(1,[2 1]);
             
@@ -226,11 +193,6 @@ classdef Viewer < handle
         end
         
         function ButtonUpCallback(obj,~,~)
-            if strcmp(obj.h.SelectionType,'alt')
-                obj.lx.Visible = 'off';
-                obj.ly.Visible = 'off';
-            end
-            
             obj.h.WindowButtonMotionFcn = '';
         end