Merge branch 'remove-groups' into 'master'

更新explore/index.yml

See merge request codechina/operation-work!36

explore/index.yml

@@ -40,18 +40,3 @@ projects:
   - 'oneflow-inc/oneflow'
   - 'EricLee/yolo_v3'
 groups: 
-  - webank
-  - jeecg
-  - megvii
-  - dcloud
-  - apache
-  - openanolis
-  - rt-thread
-  - paddlepaddle
-  - chatopera
-  - apachecn
-  - easycorp
-  - wechaty
-  - flipped-aurora
-  - jidingkeji
-  - oaid
\ No newline at end of file