README.md: Update TSC membership

I am no longer on the TSC, so removing myself.

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Change-Id: Ia6c31b17a2eaae37453886d3b648e42997f8eafc
diff --git a/README.md b/README.md
index db31d66..c4bb622 100644
--- a/README.md
+++ b/README.md
@@ -157,7 +157,6 @@
 
 The Technical Steering Committee (TSC) guides the project. Members are:
 
- * Brad Bishop (chair), IBM
  * Nancy Yuen, Google
  * Sai Dasari, Facebook
  * Terry Duncan, Intel