Light editing freeradius_server.md

[sspencerwire]

• Replace "we" with "you" universally
• reword all passive voice to active voice
• Some sentence simplification
• replace conjunctions with words

Author checklist (Completed by original Author)

• Good fit for the Rocky Linux project? Title and Author Metatags inserted ?
• If applicable, steps and instructions have been tested to work
• Initial self-review to fix basic typos and grammar completed

Rocky Documentation checklist (Completed by Rocky team)

• 1st Pass (Document is good fit for project and author checklist completed)
• 2nd Pass (Technical Review - check for technical correctness)
• 3rd Pass (Detailed Editorial Review and Peer Review)
• Final approval (Final Review)

[github-actions]

Test results for c5c7042:

Number of broken URLs: 5

URL,RESULT,FILENAME
 https://www.nlnetlabs.nl/,failed,guides/dns/unbound_recursive_dns.md
 https://www.nlnetlabs.nl/projects/unbound/about/,failed,guides/dns/unbound_recursive_dns.md
 https://www.nlnetlabs.nl/,failed,guides/dns/nsd_authoritative_dns.md
 https://www.nlnetlabs.nl/projects/nsd/about/,failed,guides/dns/nsd_authoritative_dns.md
 https://mattermost.com/,failed,guides/contribute/README.md