Auto merge of #17115 - aneeshusa:temporarily-disable-macbrew-updater, r=emilio

Disable macbrew updater

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etc/ci/buildbot_steps.yml

@@ -57,7 +57,6 @@ mac-nightly:
   - ./mach build --release
   - ./mach package --release
   - ./mach upload-nightly mac
-  - ./mach upload-nightly macbrew
 
 linux-rel-intermittent:
   - ./mach clean-nightlies --keep 3 --force