Remove double semicolon from the style sheets.

Author: sanganinamrata

dev/tests/integration/testsuite/Magento/Framework/View/_files/Magento/ModuleA/view/adminhtml/product/product.css

@@ -13,7 +13,7 @@
     overflow: hidden;
     padding: 5px 6px 3px;
     margin-left: 12px;
-    color: #7a7976;;
+    color: #7a7976;
 }
 
 [class^=" catalog-product-"] .page-actions .action-back:hover,

lib/web/extjs/resources/css/ytheme-magento.css

@@ -15,7 +15,7 @@
     background:url(../images/magento/loading_bg.gif) no-repeat #eae2ca;
     padding:85px 15px 15px 15px;
     font-size:14px;
-        font-weight:bold;;
+        font-weight:bold;
     color:#611B06;
     width:206px;
     text-align:center;