Update cord-robot library to 2.1.0

Change-Id: I5b6d51cdb314df9ec679095b5f34cb76fe89dd32
diff --git a/requirements.txt b/requirements.txt
index b37d7c4..572f40c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,3 @@
---extra-index-url https://test.pypi.org/simple/
 flake8
 pexpect
 pylint
@@ -11,5 +10,4 @@
 yamllint
 # replace when we can use upstream (needs python 3.6)
 git+https://github.com/zdw/robotframework-importresource@b81b87aabaee0594e966687b41e3674b866f28ee
-# Temporary, get from test.pypi.org until we publish for real
-cord-robot==2.1.0.dev2
+cord-robot==2.1.0