Remove output from README

As this is an advanced usage it makes more sense to work to getting this included in the documentation instead.

Author: Simon Engledew

.github/workflows/codeql.yml

@@ -19,7 +19,7 @@ jobs:
       with:
         languages: javascript
         config-file: ./.github/codeql/codeql-config.yml
-    # example from README.md
+    # confirm steps.init.outputs.codeql-path points to the codeql binary
     - name: Print CodeQL Version
       run: ${{steps.init.outputs.codeql-path}} version --format=json
     - uses: ./analyze

README.md

@@ -125,24 +125,6 @@ By default, this will override any queries specified in a config file. If you wi
     queries: +<local-or-remote-query>,<another-query>
 ```
 
-### Calling CodeQL Directly
-
-The `init` action makes the path to CodeQL available as the output `codeql-path`.
-
-With this you can access the `codeql` binary:
-
-<!-- this example is run via .github/workflows/codeql.yml -->
-```yaml
-- name: Initialize CodeQL
-  uses: github/codeql-action/init@v1
-  id: init
-  with:
-    languages: javascript
-
-- name: Print CodeQL Version
-  run: ${{steps.init.outputs.codeql-path}} version --format=json
-```
-
 ## Troubleshooting
 
 Read about [troubleshooting code scanning](https://help.github.com/en/github/finding-security-vulnerabilities-and-errors-in-your-code/troubleshooting-code-scanning).