HPCC-10863 Simplify Language Maintenance

Combine all separate language files into single ones.

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #5424 from GordonSmith/HPCC-10863

HPCC-10863 Simplify Language Maintenance

Reviewed-By: Miguel Vazquez <miguel.vazquez@lexisnexis.com>