remove unused static files

static/css/chardinjs.css

@@ -1,82 +0,0 @@
-.chardinjs-overlay {
-  position: absolute;
-  z-index: 999999;
-  background-color: #000;
-  opacity: 0;
-  -webkit-transition: all 0.3s ease-out;
-  -moz-transition: all 0.3s ease-out;
-  -ms-transition: all 0.3s ease-out;
-  -o-transition: all 0.3s ease-out;
-  transition: all 0.3s ease-out; }
-
-.chardinjs-helper-layer {
-  position: absolute;
-  z-index: 9999998;
-  color: white;
-  -webkit-transition: all 0.3s ease-out;
-  -moz-transition: all 0.3s ease-out;
-  -ms-transition: all 0.3s ease-out;
-  -o-transition: all 0.3s ease-out;
-  transition: all 0.3s ease-out; }
-  .chardinjs-helper-layer.chardinjs-left {
-    border-left: solid white 1px;
-    margin-left: -10px; }
-  .chardinjs-helper-layer.chardinjs-right {
-    border-right: solid white 1px;
-    padding-right: 10px; }
-  .chardinjs-helper-layer.chardinjs-bottom {
-    border-bottom: solid white 1px;
-    padding-bottom: 10px; }
-  .chardinjs-helper-layer.chardinjs-top {
-    border-top: solid white 1px;
-    padding-top: 10px; }
-
-.chardinjs-tooltip {
-  position: absolute;
-  -webkit-transition: opacity 0.1s ease-out;
-  -moz-transition: opacity 0.1s ease-out;
-  -ms-transition: opacity 0.1s ease-out;
-  -o-transition: opacity 0.1s ease-out;
-  transition: opacity 0.1s ease-out;
-  max-width: 200px; }
-  .chardinjs-tooltip.chardinjs-left {
-    margin-left: -135px;
-    padding-right: 10px; }
-  .chardinjs-tooltip.chardinjs-right {
-    margin-right: -135px;
-    padding-left: 10px; }
-  .chardinjs-tooltip.chardinjs-bottom {
-    margin-bottom: -50px;
-    padding-top: 10px; }
-  .chardinjs-tooltip.chardinjs-top {
-    margin-top: -50px;
-    padding-bottom: 10px; }
-  .chardinjs-tooltip.chardinjs-right:before, .chardinjs-tooltip.chardinjs-left:after, .chardinjs-tooltip.chardinjs-bottom:before, .chardinjs-tooltip.chardinjs-top:after {
-    content: ".";
-    display: inline-block;
-    background-color: white;
-    height: 1px;
-    overflow: hidden;
-    position: absolute; }
-  .chardinjs-tooltip.chardinjs-right:before, .chardinjs-tooltip.chardinjs-left:after {
-    width: 100px;
-    top: 50%; }
-  .chardinjs-tooltip.chardinjs-bottom:before, .chardinjs-tooltip.chardinjs-top:after {
-    width: 1px;
-    height: 50px;
-    left: 50%; }
-  .chardinjs-tooltip.chardinjs-bottom:before {
-    top: -50px; }
-  .chardinjs-tooltip.chardinjs-top:after {
-    bottom: -50px; }
-  .chardinjs-tooltip.chardinjs-right:before {
-    left: -100px; }
-  .chardinjs-tooltip.chardinjs-left:after {
-    right: -100px; }
-
-.chardinjs-show-element {
-  z-index: 9999999;
-  opacity: 0.8; }
-
-.chardinjs-relative-position {
-  position: relative; }