chore: fix .repo-metadata (#266)

Fixes #243

Author: eaball35

.repo-metadata.json

@@ -1,5 +1,5 @@
 {
-    "api_shortname": "channel",
+    "api_shortname": "cloudchannel",
     "name_pretty": "Channel Services",
     "product_documentation": "https://cloud.google.com/channel/docs",
     "api_description": "With Channel Services, Google Cloud partners and resellers have a single unified resale platform, with a unified resale catalog, customer management, order management, billing management, policy and authorization management, and cost management.",

README.md

@@ -21,7 +21,6 @@ If you are using Maven, add this to your pom.xml file:
   <artifactId>google-cloud-channel</artifactId>
   <version>3.4.0</version>
 </dependency>
-
 ```
 
 If you are using Gradle without BOM, add this to your dependencies