* rpc flags related to starting http server renamed to http
* old rpc flags aliased and still functional
* pprof flags fixed
* renames gpo related flags
* linted
* renamed rpc flags for consistency and clarity
* added warn logs
* added more warn logs for all deprecated flags for consistency
* moves legacy flags to separate file, hides older flags under show-deprecated-flags command
* legacy prefix and moved some more legacy flags to legacy file
* fixed circular import
* added docs
* fixed imports lint error
* added notes about when flags were deprecated
* cmd/utils: group flags by deprecation date + reorder by date,
* modified deprecated comments for consistency, added warn log for --rpc
* making sure deprecated flags are still functional
* show-deprecated-flags command cleaned up
* fixed lint errors
* corrected merge conflict
* IsSet --> GlobalIsSet
* uncategorized flags, if not deprecated, displayed under misc
Co-authored-by: Martin Holst Swende <martin@swende.se>
