removed importants from margin and padding on normalize scss (#4234)

blockbase/assets/ponyfill.css

@@ -3,8 +3,8 @@
  * - Reset the browser
  */
 body {
-	margin: 0 !important;
-	padding: 0 !important;
+	margin: 0;
+	padding: 0;
 }
 
 body {

blockbase/sass/base/_normalize.scss

@@ -1,8 +1,8 @@
 
 // Remove the margin in all browsers.
 body {
-  margin: 0 !important;
-  padding: 0 !important;
+  margin: 0;
+  padding: 0;
 }
 
 // Smooth out the fonts