remove unused css

src/Masa.Blazor/Components/Pdfjs/MPdfMobileViewer.razor.css

@@ -1,12 +1,4 @@
-.m-pdf-mobile-viewer .hidden {
- display: none;
-}
-
-.m-pdf-mobile-viewer [hidden] {
- display: none !important;
-}
-
-.m-pdf-mobile-viewer {
+.m-pdf-mobile-viewer {
  position: absolute;
  overflow: auto;
  width: 100%;
@@ -21,82 +13,6 @@
  display: block;
 }
 
-.m-pdf-mobile-viewer .pdfViewer .page .loadingIcon {
- width: 2.9rem;
- height: 2.9rem;
- background: url("images/spinner.png") no-repeat left top / 38rem;
- border: medium none;
- animation: 1s steps(10, end) 0s normal none infinite moveDefault;
- display: block;
- position: absolute;
- top: calc((100% - 2.9rem) / 2);
- left: calc((100% - 2.9rem) / 2);
-}
-
-@keyframes moveDefault {
- from {
- background-position: 0 top;
- }
-
- to {
- background-position: -39rem top;
- }
-}
-
-.m-pdf-mobile-viewer #loadingBar {
- /* Define this variable here, and not in :root, to avoid reflowing the
- entire viewer when updating progress (see issue 15958). */
- --progressBar-percent: 0%;
- position: relative;
- height: 0.6rem;
- background-color: rgb(51 51 51 / 1);
- border-bottom: 1px solid rgb(51 51 51 / 1);
-}
-
-.m-pdf-mobile-viewer #loadingBar .progress {
- position: absolute;
- left: 0;
- width: 100%;
- transform: scaleX(var(--progressBar-percent));
- transform-origin: 0 0;
- height: 100%;
- background-color: rgb(221 221 221 / 1);
- overflow: hidden;
- transition: transform 200ms;
-}
-
-@keyframes progressIndeterminate {
- 0% {
- transform: translateX(0%);
- }
-
- 50% {
- transform: translateX(100%);
- }
-
- 100% {
- transform: translateX(100%);
- }
-}
-
-.m-pdf-mobile-viewer #loadingBar.indeterminate .progress {
- transform: none;
- background-color: rgb(153 153 153 / 1);
- transition: none;
-}
-
-.m-pdf-mobile-viewer #loadingBar.indeterminate .progress .glimmer {
- position: absolute;
- top: 0;
- left: 0;
- height: 100%;
- width: 5rem;
- background-image: linear-gradient( to right, rgb(153 153 153 / 1) 0%, rgb(255 255 255 / 1) 50%, rgb(153 153 153 / 1) 100% );
- background-size: 100% 100%;
- background-repeat: no-repeat;
- animation: progressIndeterminate 2s linear infinite;
-}
-
 .m-pdf-mobile-viewer footer {
  position: fixed;
  bottom: 0;