Update instructor video titles

Author: EadinWang

index.html

@@ -204,13 +204,13 @@
           </span>
         </div>
         <ul class="submenu">
-          <li data-title="How to Use the Scheduling Tool in OLI Torus"
+          <li data-title="Use the Scheduling Tool"
               data-page="pages/schedule-and-assessment/schedule-setting.html">
-            <span class="title">How to Use the Scheduling Tool in OLI Torus</span>
+            <span class="title">Use the Scheduling Tool</span>
           </li>
-          <li data-title="How to Configure Assessment Settings"
+          <li data-title="Configure Assessment Settings"
               data-page="pages/schedule-and-assessment/assessment-setting.html">
-            <span class="title">How to Configure Assessment Settings</span>
+            <span class="title">Configure Assessment Settings</span>
           </li>
         </ul>
       </div>
@@ -231,13 +231,13 @@
               data-page="pages/course-overview-and-student-insights/overview-insights.html">
             <span class="title">Student Insights under Course Overview</span>
           </li>
-          <li data-title="How to Monitor Student Progress and Insights"
+          <li data-title="Monitor Student Progress and Insights"
               data-page="pages/course-overview-and-student-insights/insights-student-progress.html">
-            <span class="title">How to Monitor Student Progress and Insights</span>
+            <span class="title">Monitor Student Progress and Insights</span>
           </li>
-          <li data-title="How to add co-instructors or TAs"
+          <li data-title="Add co-instructors or TAs"
               data-page="pages/course-overview-and-student-insights/add-coinstructors.html">
-            <span class="title">How to add co-instructors or TAs</span>
+            <span class="title">Add co-instructors or TAs</span>
           </li>
           <li data-title="Manage course - miscellaneous"
               data-page="pages/course-overview-and-student-insights/manage-miscellaneous.html">