Revert "Update example location to split style"

This reverts commit 69b26177.

lms/templates/instructor/instructor_dashboard_2/student_admin.html

@@ -54,7 +54,7 @@
 
   ## Translators: A location (string of text) follows this sentence.
   <p>${_("You must provide the complete location of the problem. In the Staff Debug viewer, the location looks like this:")}<br/>
-  <code>block-v1:edX+DemoX+2015+type@problem+block@618c5933b8b544e4a4cc103d3e508378</code></p>
+  <code>i4x://edX/Open_DemoX/problem/78c98390884243b89f6023745231c525</code></p>
 
   <p>
   ${_("Next, select an action to perform for the given user and problem:")}
@@ -141,7 +141,7 @@
     </label>
     ## Translators: A location (string of text) follows this sentence.
     <p id="problem-select-all-help">${_("You must provide the complete location of the problem. In the Staff Debug viewer, the location looks like this:")}<br/>
-    <code>block-v1:edX+DemoX+2015+type@problem+block@618c5933b8b544e4a4cc103d3e508378</code></p>
+    <code>i4x://edX/Open_DemoX/problem/78c98390884243b89f6023745231c525</code></p>
     <p>
       ${_("Then select an action")}:
       <input type="button" class="molly-guard" name="reset-attempts-all" value="${_("Reset ALL students' attempts")}" data-endpoint="${ section_data['reset_student_attempts_url'] }">