chore(ci): Remove temporary change to install absl in macos CI

Author: aditi-pandit

.github/workflows/prestocpp-macos-build.yml

@@ -87,7 +87,6 @@ jobs:
 
           # Velox dependencies that Presto directly depends on.
           # Re2 depends on absl - use brew for now.
-          brew install abseil
           install_re2
           install_fbthrift