Merge pull request #13815 from theanalyst/cleanup/rgw/rest-read-input

rgw: don't read all user input for a few param requests

Reviewed-by: Casey Bodley <cbodley@redhat.com>

diff --cc src/common/config_opts.h
Simple merge

diff --cc src/rgw/rgw_op.h
Simple merge

diff --cc src/rgw/rgw_rest.cc
Simple merge

diff --cc src/rgw/rgw_rest.h
Simple merge

diff --cc src/rgw/rgw_rest_s3.cc
Simple merge