remove toolbar button

Author: atishdhu

web/viewer.html

@@ -241,7 +241,7 @@
               <div id="toolbarViewerRight" class="toolbarHorizontalGroup">
                 <div id="editorModeButtons" class="toolbarHorizontalGroup" role="radiogroup">
                   <div id="editorHighlight" class="toolbarButtonWithContainer">
-                    <button id="editorHighlightButton" class="toolbarButton hidden" type="button" disabled="disabled" title="Highlight" role="radio" aria-expanded="false" aria-haspopup="true" aria-controls="editorHighlightParamsToolbar" tabindex="0" data-l10n-id="pdfjs-editor-highlight-button">
+                    <button id="editorHighlightButton" class="toolbarButton" type="button" disabled="disabled" title="Highlight" role="radio" aria-expanded="false" aria-haspopup="true" aria-controls="editorHighlightParamsToolbar" tabindex="0" data-l10n-id="pdfjs-editor-highlight-button">
                       <span data-l10n-id="pdfjs-editor-highlight-button-label">Highlight</span>
                     </button>
                     <div class="editorParamsToolbar hidden doorHangerRight" id="editorHighlightParamsToolbar">