Remove RocketChat

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

MAINTAINERS.md

@@ -1,18 +1,18 @@
 ## Maintainers
 
-| Name | GitHub | RocketChat | Email |
-|---|---|---|---|
-| Baohua Yang | yeasy | baohua | yangbaohua@gmail.com |
-| Yang Feng | fengyangsy | fengyangsy | fengyang.09186@h3c.com |
-| Yuanmao Zhu | zhuyuanmao |  | yuanmao@ualberta.ca |
+| Name | GitHub | Email |
+|---|---|---|
+| Baohua Yang | yeasy | yangbaohua@gmail.com |
+| Yang Feng | fengyangsy | fengyang.09186@h3c.com |
+| Yuanmao Zhu | zhuyuanmao | yuanmao@ualberta.ca |
 
 ## Retired Maintainers
 
-| Name | GitHub | RocketChat | Email |
-|---|---|---|---|
-| Luke Chen | LordGoodman | luke_chen | jiahaochen1993@gmail.com |
-| Tong Li | tongli | tongli | litong01@us.ibm.com |
-| Haitao Yue | hightall | hightall | hightallyht@gmail.com |
-| Qiang Xu | XuHugo | XuHugo | xq-310@163.com |
+| Name | GitHub | Email |
+|---|---|---|
+| Luke Chen | LordGoodman | jiahaochen1993@gmail.com |
+| Tong Li | tongli | litong01@us.ibm.com |
+| Haitao Yue | hightall | hightallyht@gmail.com |
+| Qiang Xu | XuHugo | xq-310@163.com |
 
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