Update version_badge.svg

Remove the gradient from the version badge template to be more like VSTS badges. Also remove the corner radius to get a full rectangle.

resources/images/version_badge.svg

@@ -1,10 +1,6 @@
 <svg xmlns="http://www.w3.org/2000/svg" width="150" height="20">
-    <linearGradient id="b" x2="0" y2="100%">
-        <stop offset="0" stop-color="#bbb" stop-opacity=".1" />
-        <stop offset="1" stop-opacity=".1" />
-    </linearGradient>
     <mask id="a">
-        <rect width="150" height="20" rx="3" fill="#fff" />
+        <rect width="150" height="20" rx="0" fill="#fff" />
     </mask>
     <g mask="url(#a)">
         <path fill="#555" d="M0 0h52v20H0z" />