refactor: 精简代码

Author: ArgoZhang

src/components/BootstrapBlazor.PdfReader/PdfReader.razor

@@ -21,8 +21,6 @@
                 <div class="bb-view-icon bb-view-fit-width" @onclick="FitToWidth"><i class="fa-solid fa-arrows-left-right-to-line"></i></div>
                 <div class="bb-view-icon bb-view-fit-rotate" @onclick="RotateLeft"><i class="fa-solid fa-rotate-left"></i></div>
                 <div class="bb-view-icon bb-view-fit-rotate" @onclick="RotateRight"><i class="fa-solid fa-rotate-right"></i></div>
-                <div class="bb-view-divider"></div>
-                <div class="bb-view-icon bb-view-draw"><i class="fa-solid fa-pen-to-square"></i></div>
             </div>
             <div class="bb-view-controls">
                 <div class="bb-view-icon bb-view-download"><i class="fa-solid fa-arrow-right-to-bracket fa-rotate-90"></i></div>