chore(compute): delete old unused region tags after migration (#9998)

Author: alarconesparza

compute/error-reporting/pom.xml

@@ -37,13 +37,11 @@
 
   <dependencies>
     <!-- [START compute_fluent_dependency] -->
-    <!-- [START dependencies] -->
     <dependency>
       <groupId>org.fluentd</groupId>
       <artifactId>fluent-logger</artifactId>
       <version>0.3.4</version>
     </dependency>
-    <!-- [END dependencies] -->
     <!-- [END compute_fluent_dependency] -->
   </dependencies>
   <build>

compute/error-reporting/src/main/java/com/example/compute/errorreporting/ExceptionUtil.java

@@ -23,7 +23,6 @@
 import org.fluentd.logger.FluentLogger;
 
 // [START compute_error_report_with_fluent]
-// [START example]
 public class ExceptionUtil {
   private static FluentLogger ERRORS = FluentLogger.getLogger("myapp");
 
@@ -47,5 +46,4 @@ public static void report(Throwable ex) {
     ERRORS.log("errors", data);
   }
 }
-// [END example]
 // [END compute_error_report_with_fluent]