Remove @xcorail from CODEOWNERS
Remove @xcorail from CODEOWNERS

Since @xcorail didn't have write access to this repo, that caused troubles with the CODEOWNERS file.
github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql