Improve ESC meetings minutes on SPAM section

The SPAM discussion section was interleaved with older comments
from a previous ESC meeting. Remove the redundant text and keep
the description pertinent with the SPAM discussion.

Change-Id: I13804b4a86600704f70d44d69e0e0871a4d47ce3

_posts/2024-07-23-esc-minutes.md

@@ -26,12 +26,7 @@ of Google's implementation of the Servlet API.
 
 ### SPAM on gerrit-review.googlesource.com (ESC of July 23)
 
-Spammers have been targeting 
-[Change 390074](https://gerrit-review.googlesource.com/390074) broke the
-Gerrit setup of [Chromium](https://chromium-review.googlesource.com),
-because of the lack of visibility from the contributor
-of the impact of its changes on the closed-source fork of Gerrit maintained
-by Google.
+Spammers have been targeting Gerrit changes on gerrit-review.googlesource.com.
 
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