Fix APM ES config documentation to correctly indicate applicability to both binary and Fleet-managed deployments#3343

Copilot wants to merge 2 commits intomainelastic/docs-content:mainfrom

copilot/fix-7e5e2a70-9583-4d10-931a-c57afd82f6aaelastic/docs-content:copilot/fix-7e5e2a70-9583-4d10-931a-c57afd82f6aaCopy head branch name to clipboard