Remove Gerrit references

Change CODEOWNERS to pointer

Signed-off-by: Ry Jones <ry@linux.com>

CODEOWNERS

@@ -1,4 +1,4 @@
 # SPDX-License-Identifier: Apache-2.0
 
 # Cello Committers
-*	@hightall @litong01 @LordGoodman @yeasy
+*	@hyperledger/cello-maintainers

MAINTAINERS.md

@@ -1,10 +1,10 @@
 ## Maintainers
 
-| Name | Gerrit | GitHub | RocketChat | Email |
-|---|---|---|---|---|
-| Baohua Yang | baohua | yeasy | baohua | yangbaohua@gmail.com |
-| Haitao Yue | hightall | hightall | hightall | hightallyht@gmail.com |
-| Tong Li | tongli | tongli | tongli | litong01@us.ibm.com |
-| Luke Chen | LordGoodman | LordGoodman | luke_chen | jiahaochen1993@gmail.com |
+| Name | GitHub | RocketChat | Email |
+|---|---|---|---|
+| Baohua Yang | yeasy | baohua | yangbaohua@gmail.com |
+| Haitao Yue | hightall | hightall | hightallyht@gmail.com |
+| Tong Li | tongli | tongli | litong01@us.ibm.com |
+| Luke Chen | LordGoodman | luke_chen | jiahaochen1993@gmail.com |
 
 <a rel="license" href="http://creativecommons.org/licenses/by/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 International License</a>.

docs/contributing.md

@@ -1,4 +1,4 @@
-Any kind of contribution is encouraged, e.g., [Jira items](https://jira.hyperledger.org/projects/CE/issues) or [patchsets](https://gerrit.hyperledger.org/r/#/admin/projects/cello).
+Any kind of contribution is encouraged, e.g., [Jira items](https://jira.hyperledger.org/projects/CE/issues) or [patchsets](https://github.com/hyperledger/cello).
 
 ## 1. LF ID Application
 
@@ -25,14 +25,14 @@ In brief, if you want to contribute, create or find some `To Do` item, and assig
 
 ## 4. Code Commit Steps
 
-The project employs [Gerrit](https://gerrit.hyperledger.org) as the code commit/review system.
+The project employs [GitHub](https://github.com/hyperledger/cello) as the code commit/review system.
 
 *Before committing code, please go to [Jira](https://jira.hyperledger.org/projects/CE) to create a new task or check if there's related existing one, then assign yourself as the assignee. Notice each task will get a Jira number like [CE-26](https://jira.hyperledger.org/browse/CE-26).
 
 * Clone the project to your working directory with your `LFID`.
 
 ```bash
-$ git clone ssh://LFID@gerrit.hyperledger.org:29418/cello && scp -p -P 29418 LFID@gerrit.hyperledger.org:hooks/commit-msg cello/.git/hooks/
+$ git clone git@github.com:hyperledger/cello.git
 ```
 
 (Optionally) Config your git name and email if not setup previously.

docs/index.md

@@ -43,7 +43,7 @@ For additional helps, feel free to take the following channels:
 * [Mail List](mailto:hyperledger-cello@lists.hyperledger.org): General technical topics with Cello project.
 * [RocketChat Room](https://chat.hyperledger.org/channel/cello): Real-time online discussions.
 * [Jira Board](https://jira.hyperledger.org/projects/CE/issues): Find development status, report bug, or help [contribute code](contributing.md).
-* [Gerrit](https://gerrit.hyperledger.org/r/#/q/project:cello): Development related code and patchsets, welcome to [contribute](contributing.md).
+* [GitHub](https://github.com/hyperledger/cello): Development related code and patchsets, welcome to [contribute](contributing.md).
 * [Stack Overflow](https://stackoverflow.com/questions/tagged/hyperledger-cello): Stack overflow discussion questions about cello.
 
 <a rel="license" href="http://creativecommons.org/licenses/by/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 International License</a>.