Simplify CSS

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/media/style-bootstrap.css

@@ -82,7 +82,7 @@ footer a {
 
 .paginatoraddon {
     display: inline-block;
-    padding-left: 0px;
+    padding-left: 0;
     vertical-align: top;
     margin: 5px 0;
 }
@@ -100,7 +100,7 @@ footer a {
     margin-top: 0;
 }
 .paginatoraddon .form-group {
-    margin-bottom: 0px;
+    margin-bottom: 0;
 }
 .paginatoraddon .form-control {
     display: inline-block;