Remove references to local API reference docs (#292)

Author: shyamradhakrishnan

docs/src/SUMMARY.md

@@ -43,8 +43,4 @@
   - [Features](./managed/features.md)
 - [Reference](./reference/reference.md)
   - [API Reference](./reference/api-reference.md)
-    - [v1beta2 API](./reference/v1beta2-api.md)
-    - [v1beta2 exp API](./reference/v1beta2-exp-api.md)
-    - [v1beta1 API](./reference/v1beta1-api.md)
-    - [v1beta1 exp API](./reference/v1beta1-exp-api.md)
   - [Glossary](./reference/glossary.md)

docs/src/reference/api-reference.md

@@ -1,9 +1,3 @@
 # API Reference
 
 Versioned Cluster API Provider for OCI API references is published [here](https://doc.crds.dev/github.com/oracle/cluster-api-provider-oci).
-
-You can also find all the APIs in our book. The links are below:
-- [v1beta2](./reference/v1beta2-api.md)
-- [exp v1beta2](./reference/v1beta2-exp-api.md)
-- [v1beta1](./reference/v1beta1-api.md)
-- [exp v1beta1](./reference/v1beta1-exp-api.md)