Remove sample keys from weaved.conf

BUG:25627281
Change-Id: I27e780849ca05b1856b6f9e896c6757766e919e3
(cherry picked from commit 07ed8c015c6213be87b91ef7c534e8a95dbc71e0)
diff --git a/weaved.conf b/weaved.conf
index 5e19c32..19e83dc 100644
--- a/weaved.conf
+++ b/weaved.conf
@@ -15,13 +15,13 @@
 #
 
 # OAuth 2.0 client id.
-client_id=58855907228.apps.googleusercontent.com
+# client_id=
 
 # OAuth 2.0 client secret.
-client_secret=eHSAREAHrIqPsHBxCE9zPPBi
+# client_secret=
 
 # OAuth 2.0 API key.
-api_key=AIzaSyDSq46gG-AxUnC3zoqD9COIPrjolFsMfMA
+# api_key=
 
 # Human readable name of the device.
 name=Brillo Starter Board (Qualcomm)