Revert "Temporarily use the pull request brew formula."
Revert "Temporarily use the pull request brew formula."

Now that Homebrew/homebrew-fuse@211eb24 is in.

This reverts commit 8ec56551f3193121a534d2bc20b5e6de7ef3cd0e.

For #125.

GoogleCloudPlatform/gcsfuse,GoogleCloudPlatform/gcsfuse,GoogleCloudPlatform/gcsfuse