remove unnecessary media query && generated files

searx/static/themes/oscar/less/logicodev/modal-pic.less

@@ -31,12 +31,6 @@
         }
     }
 
-    @media (max-width: 7680px) {
-        & > div {
-            position: relative;
-        }
-    }
-
     .image-paging-left {
         font-size: 2.2rem;
         padding-right: 1.0rem;