This is a huge commit, it does following things: (#1942)

1. Remove ks-iam standalone binary, move it to ks-apiserver
2. Generate all devops apis inside kubesphere repository, no need to
import s2ioperator.
3. Reorganize ldap code, make it more flexible to use.

vendor/sigs.k8s.io/controller-runtime/.golangci.yml

@@ -1,5 +0,0 @@
-linters-settings:
-  lll:
-    line-length: 170
-  dupl:
-    threshold: 400