Make changes to the website IAW tester feedback

Changelog:

• Changed Mr. Hoff's title to Chief of Staff
• Changed Major Charbonneau's title to Chief of Business Operations and Strategy
• Removed Mrs. Desai from Communities of Practice and renamed the title "People Operations"
• Removed Captain Valentin from Leadership
• Changed MSgt. James Crocker to MSgt (Ret.) James Crocker in the pull quote
• Replaced LogUX project link on index with BRICE, and rearranged projects accordingly
• Replaced Our Humble Brags with Our Stats on index
• Removed periods after various military rank abbreviations
• Removed the navigation arrows in the project section's pagination
• Removed Kratos from the project listing on projects page 2
• Deleted the deprecated projects page 3 and its associated project pages