Attempt better Sentry message grouping

Remove the unique bits from Sentry event messages in an attempt to get
Sentry to start grouping the messages and sending aggregate reports
instead of one report per message.

Author: mars-f

committelemetry/classifier.py

@@ -246,9 +246,13 @@ def determine_review_system(revision_json):
         bug_id = parse_bugs(summary)[0]
         log.debug(f'changeset {changeset}: parsed bug ID {bug_id}')
     except IndexError:
-        msg = f'could not determine review system for changeset {changeset}: unable to find a bug id in the changeset summary'
-        log.info(msg)
-        sentry.captureMessage(msg, level=logging.INFO)
+        log.info(
+            f'could not determine review system for changeset {changeset}: unable to '
+            f'find a bug id in the changeset summary'
+        )
+        sentry.captureMessage(
+            "could not determine review system for changeset", level=logging.INFO
+        )
         return ReviewSystem.unknown
 
     try:
@@ -260,9 +264,13 @@ def determine_review_system(revision_json):
         # bugs in with commits that have a 'no bug - do stuff' summary line.
         return ReviewSystem.no_bug
     except requests.exceptions.HTTPError as err:
-        msg = f'could not determine review system for changeset {changeset} with bug {bug_id}: {err}'
-        log.info(msg)
-        sentry.captureMessage(msg, level=logging.INFO)
+        log.info(
+            f'could not determine review system for changeset {changeset} with bug '
+            f'{bug_id}: {err}'
+        )
+        sentry.captureMessage(
+            "could not determine review system for changeset", level=logging.INFO
+        )
         return ReviewSystem.unknown
 
     # 2. Check BMO for MozReview review markers because that's next-easiest.
@@ -273,9 +281,13 @@ def determine_review_system(revision_json):
     if has_bmo_patch_review_markers(attachments, bug_history):
         return ReviewSystem.bmo
 
-    msg = f'could not determine review system for changeset {changeset} with bug {bug_id}: the changeset is missing all known review system markers'
-    log.info(msg)
-    sentry.captureMessage(msg, level=logging.INFO)
+    log.info(
+        f'could not determine review system for changeset {changeset} with bug '
+        f'{bug_id}: the changeset is missing all known review system markers'
+    )
+    sentry.captureMessage(
+        "could not determine review system for changeset", level=logging.INFO
+    )
     return ReviewSystem.unknown