[v10.1.x] Docs: Remove duplicate "Legend values" heading (#75800) Docs: Remove duplicate "Legend values" heading (#75692) * Replaced legends shared content with text * Copy and structuring edits * Removed redundant link * Prettier --------- (cherry picked from commit61b856c7dc) Signed-off-by: Jack Baldry <jack.baldry@grafana.com> Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com> (cherry picked from commitc629e3b09c) Co-authored-by: Jack Baldry <jack.baldry@grafana.com>