[GR-19691] The OCA can now be signed with an online form

PullRequest: truffleruby/2476

Author: eregon

CONTRIBUTING.md

@@ -7,11 +7,7 @@ See the [building instructions](doc/contributor/workflow.md) to build TruffleRub
 ## Contributor Agreement
 
 You will need to sign the [Oracle Contributor Agreement](https://www.oracle.com/technical-resources/oracle-contributor-agreement.html)
-for us to able to review and merge your work.
-
-Note that you can use for example the Adobe Fill & Sign app on a mobile phone or tablet so you don't need to print and scan.
-Also note both the `Telephone` and `Email` need to be provided in the same field in the form.
-There are plans to make this process easier using an online form, but that is not yet available.
+(using an online form) for us to able to review and merge your work.
 
 See [Contribute to GraalVM](https://www.graalvm.org/community/contributors/#ii-sign-the-oracle-contributor-agreement)
 for more details.