Remove national flags from the language select.(Solution 2) (#825)

* Remove national flags from the language select.

* Removed flag-icon-css.

* Removed the line break for old language select.

assets/img/flags/cv.svg

@@ -1,16 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" height="480" width="640">
-  <desc>
-    The United States of America flag, produced by Daniel McRae
-  </desc>
-  <defs>
-    <clipPath id="a">
-      <path fill-opacity=".67" d="M-123.43 0h682.67v512h-682.67z"/>
-    </clipPath>
-  </defs>
-  <g fill-rule="evenodd" clip-path="url(#a)" transform="translate(115.72) scale(.94)">
-    <path fill="#fff" d="M-123.43 233.05H723.1v205.97h-846.53z"/>
-    <path fill="#081873" d="M-122.76 0h845.95v256.64h-845.95zm.24 385.87H729.6V512h-852.12z"/>
-    <path fill="#de3929" d="M-122.52 302.55h845.95v39.65h-845.95z"/>
-    <path fill="#ffce08" d="M130.92 399.168l6.65 20.468h21.522l-17.412 12.65 6.65 20.47-17.41-12.65-17.41 12.65 6.65-20.47-17.412-12.65h21.522m192.64-169.138l6.65 20.468h21.522l-17.412 12.65 6.65 20.47-17.41-12.65-17.41 12.65 6.65-20.47-17.412-12.65h21.522M88.27 335.448l6.65 20.468h21.523l-17.412 12.65 6.652 20.47-17.41-12.65-17.412 12.65 6.65-20.47-17.41-12.65h21.52m235.289-26.458l6.65 20.468h21.522l-17.412 12.65 6.65 20.47-17.41-12.65-17.41 12.65 6.65-20.47-17.412-12.65h21.522m-40.44-161.748l6.65 20.468h21.522l-17.412 12.65 6.65 20.47-17.41-12.65-17.41 12.65 6.65-20.47-17.412-12.65h21.522m-64.43-45.218l6.65 20.468h21.522l-17.412 12.65 6.65 20.47-17.41-12.65-17.41 12.65 6.65-20.47-17.412-12.65h21.522m-64.44 2.892l6.65 20.468h21.522l-17.412 12.65 6.65 20.47-17.41-12.65-17.41 12.65 6.65-20.47-17.412-12.65H121m-34.816 43.242l6.65 20.468h21.522l-17.412 12.65 6.65 20.47-17.41-12.65-17.41 12.65 6.65-20.47-17.412-12.65h21.522M198.74 420.408l6.65 20.468h21.522l-17.412 12.65 6.65 20.47-17.41-12.65-17.41 12.65 6.65-20.47-17.412-12.65h21.522m82.17-41.708l6.65 20.468h21.522l-17.412 12.65 6.65 20.47-17.41-12.65-17.41 12.65 6.65-20.47-17.412-12.65h21.522"/>
-  </g>
-</svg>