Cherry pick removing duplicate word (#2523)

Signed-off-by: Nikhil Gupta <ngupta@symbridge.com>

docs/source/deploy_chaincode.md

@@ -11,7 +11,7 @@ You can use this tutorial to learn how to use the [peer lifecycle chaincode comm
 
 ## Start the network
 
-We will start by deploying an instance of the Fabric test network. Before you begin, make sure that that you have installed the [Prerequisites](prereqs.html) and [Installed the Samples, Binaries and Docker Images](install.html). Use the following command to navigate to the test network directory within your local clone of the `fabric-samples` repository:
+We will start by deploying an instance of the Fabric test network. Before you begin, make sure that you have installed the [Prerequisites](prereqs.html) and [Installed the Samples, Binaries and Docker Images](install.html). Use the following command to navigate to the test network directory within your local clone of the `fabric-samples` repository:
 ```
 cd fabric-samples/test-network
 ```