doc: 移除打包样式引用代码

Author: ArgoZhang

src/BootstrapBlazor.Server/Components/Samples/Icons/AntDesignIcons.razor

@@ -2,10 +2,6 @@
 @layout MainLayout
 @inject IStringLocalizer<AntDesignIcons> Localizer
 
-<HeadContent>
-    <link rel="stylesheet" href="@Assets["_content/BootstrapBlazor.AntDesignIcon/BootstrapBlazor.AntDesignIcon.bundle.scp.css"]" />
-</HeadContent>
-
 <h3>@Localizer["AntDesignIconTitle"]</h3>
 
 <h4>@Localizer["AntDesignIconDescription"]</h4>

src/BootstrapBlazor.Server/Components/Samples/Icons/ElementIcons.razor

@@ -2,10 +2,6 @@
 @layout MainLayout
 @inject IStringLocalizer<ElementIcons> Localizer
 
-<HeadContent>
-    <link rel="stylesheet" href="@Assets["_content/BootstrapBlazor.ElementIcon/BootstrapBlazor.ElementIcon.bundle.scp.css"]" />
-</HeadContent>
-
 <h3>@Localizer["ElementIconTitle"]</h3>
 
 <h4>@Localizer["ElementIconDescription"]</h4>