Revert "ci: have brew install lsl from our fork of labstreaminglayer tap"

This reverts commit 636403e.

The upstream tap has been updated.

Author: rokm

.github/workflows/pr-test.yml

@@ -115,9 +115,7 @@ jobs:
           # Install libdiscid (dependency of discid python package).
           brew install libdiscid
           # Install lsl library for pylsl
-          # TODO: switch back to labstreaminglayer/tap/lsl once labstreaminglayer/homebrew-tap#1 is merged
-          #brew install labstreaminglayer/tap/lsl
-          brew install rokm/labstreaminglayer-tap/lsl
+          brew install labstreaminglayer/tap/lsl
           # This one is required by eccodes (binary wheels with bundled eccodes
           # library are provided only for macOS 13+).
           brew install eccodes