Update toc (kubernetes#589)

* Update TOC members list

* Removed Joshua Blatt and moved him to Emeritus list
* Removed various admin privileges for Josh

* Added nrjpoddar as repo admin

TECH-OVERSIGHT-COMMITTEE.md

@@ -76,7 +76,6 @@ The members of the TOC are shown below. Membership in the TOC is determined by t
 <img width="30px" src="https://avatars0.githubusercontent.com/u/1562325?s=400&v=4"> | [Sven Mawson](https://github.com/smawson) | Google
 <img width="30px" src="https://avatars3.githubusercontent.com/u/9046588?s=400&v=4">| [Louis Ryan](https://github.com/louiscryan) | Google
 <img width="30px" src="https://avatars1.githubusercontent.com/u/1588319?s=400&v=4"> | [Lin Sun](https://github.com/linsun) | [Solo.io](https://www.solo.io/)
-<img width="30px" src="https://avatars1.githubusercontent.com/u/1043139?s=400&v=4"> | [Joshua Blatt](https://github.com/duderino) | Google
 <img width="30px" src="https://avatars3.githubusercontent.com/u/12534779?s=400&v=4">| [Neeraj Poddar](https://github.com/nrjpoddar) | Aspen Mesh
 
 ## Emeritus members
@@ -87,6 +86,7 @@ the success of the Istio community:
 * Martin Taillefer
 * Shriram Rajagopalan
 * Daniel Berg
+* Joshua Blatt
 
 ## Getting in touch
 

org/admins.yaml

@@ -1,6 +1,5 @@
 # Please add your name in alphabetical order.
 admins:
-- duderino
 - google-admin
 - googlebot
 - howardjohn

org/teams.yaml

@@ -391,12 +391,12 @@ teams:
   Repo Admins:
     description: Folks with admin permission on all repos.
     members:
-      - duderino
       - howardjohn
       - istio-policy-bot
       - istio-release-robot
       - istio-testing
       - linsun
+      - nrjpoddar
     repos:
       api: admin
       bots: admin
@@ -506,7 +506,6 @@ teams:
   Technical Oversight Committee:
     description: Members of the Istio TOC.
     members:
-      - duderino
       - linsun
       - louiscryan
       - nrjpoddar
@@ -553,7 +552,6 @@ teams:
     members:
       - brian-avery
       - douglas-reid
-      - duderino
       - ericvn
       - esnible
       - fpesce