Merge branch 'remove-xuexiangjys' into 'master'

删除 xuexiangjys

See merge request codechina/mirrors-settings!25

projects/xuexiangjys/imports.yml

----
-group:
-  name: xuexiangjys
-  description: ''
-  projects:
-  - name: xui
-    description: ''
-    mirrorRelease: false
-    topic: ''
-  - name: xupdate
-    description: ''
-    mirrorRelease: false
-    topic: ''