Update documentation and API documentation URLs (#1728)

default version to display are handled on the doc side and should not be enforced in urls.
the API doc URL was not updated after the URL changes provided with the
new one page without reload dynamic system

README.md

@@ -9,14 +9,14 @@ Teku is a Java implementation of the Ethereum 2.0 Beacon Chain.
 ## Useful links 
 
 * [Ethereum 2.0 Beacon Chain specification](https://github.com/ethereum/eth2.0-specs/blob/dev/specs/phase0/beacon-chain.md) 
-* [Teku user documentation](https://docs.teku.pegasys.tech/en/latest/)
-* [Teku REST API reference documentation](https://pegasyseng.github.io/teku/latest/)
+* [Teku user documentation](https://docs.teku.pegasys.tech/)
+* [Teku REST API reference documentation](https://pegasyseng.github.io/teku/)
 * [Teku issues](https://github.com/PegaSysEng/teku/issues)
 * [Contribution guidelines](CONTRIBUTING.md)
 
 ## Teku users 
 
-See our [user documentation](https://docs.teku.pegasys.tech/en/latest/). 
+See our [user documentation](https://docs.teku.pegasys.tech/). 
 
 Raise a [documentation issue](https://github.com/PegaSysEng/doc.teku/issues) or get in touch on 
 [Gitter](https://gitter.im/PegaSysEng/teku) if you've got questions or feedback.