[GEARPUMP-275] Remove obsolete 'stockcrawler' and 'transport'
[GEARPUMP-275] Remove obsolete 'stockcrawler' and 'transport'

Author: huafengw <fvunicorn@gmail.com>

Closes #152 from huafengw/remove.

manuzhang/incubator-gearpump,manuzhang/incubator-gearpump,manuzhang/incubator-gearpump,manuzhang/incubator-gearpump,manuzhang/incubator-gearpump