Remove Internet Explorer specific code, that appears to have no impact on...

Remove Internet Explorer specific code, that appears to have no impact on actual rendering see bug #905

jquery.flot.pie.js

@@ -426,8 +426,6 @@ More detail and specific examples can be found in the included HTML file.
 					ctx.beginPath();
 					if (Math.abs(angle - Math.PI * 2) > 0.000000001) {
 						ctx.moveTo(0, 0); // Center of the pie
-					} else if ($.browser.msie) {
-						angle -= 0.0001;
 					}
 
 					//ctx.arc(0, 0, radius, 0, angle, false); // This doesn't work properly in Opera