wing328 4fe79f0078 Remove default format (JSON) from API operations (#4987)
* remove default format (json) and update ruby petstore

* update python petstore sample

* update php petstore sample

* update android petstore sample

* update java petstore sample

* update objc sample

* remove default format (json) from perl
2017-03-09 11:12:01 +08:00
..
2017-03-01 09:55:42 -05:00
2017-03-07 13:49:42 +08:00
2017-03-01 09:55:42 -05:00