Remove extra space before close ticks. (#1699)

This is breaking the layout at http://octokitnet.readthedocs.io/en/latest/http-client/.

docs/http-client.md

@@ -22,7 +22,7 @@ The rules we currently follow:
  - MUST use the original request's authentication credentials when following a redirect where the original host matches the redirect host.
  - MUST NOT use the original request's authentication credentials when following a redirect where the original host does not match the redirect host.
  - SHOULD only follow 3 redirects.
- ```
+```
 
 ### Proxy Support
 
@@ -50,4 +50,4 @@ something you need to support: https://github.com/octokit/octokit.net/issues/809
 
 Another request has been for auto-wiring the proxy details at runtime. Please
 leave a comment in this thread if you're interested in this:
-https://github.com/octokit/octokit.net/issues/594
+https://github.com/octokit/octokit.net/issues/594