chore(job): delete unused region tag after migration (#9975)

Author: alarconesparza

jobs/v3/src/main/java/com/google/samples/AutoCompleteSample.java

@@ -39,7 +39,6 @@ public final class AutoCompleteSample {
       JobServiceQuickstart.getTalentSolutionClient();
 
   // [START job_auto_complete_job_title]
-  // [START auto_complete_job_title]
 
   /** Auto completes job titles within given companyName. */
   public static void jobTitleAutoComplete(String companyName, String query) throws IOException {
@@ -60,7 +59,6 @@ public static void jobTitleAutoComplete(String companyName, String query) throws
 
     System.out.println(results);
   }
-  // [END auto_complete_job_title]
   // [END job_auto_complete_job_title]
 
   // [START job_auto_complete_default]