Remove duplicate line in supported libraries (#14635)

Author: jaydeluca

docs/supported-libraries.md

@@ -125,7 +125,6 @@ These are the supported libraries and frameworks:
 | [Rediscala](https://github.com/etaty/rediscala)                                                                                             | 1.8+                               | N/A                                                                                                                                                                                                                                                                                                                                                                                     | [Database Client Spans], [Database Client Metrics] [6]                                                                                       |
 | [Redisson](https://github.com/redisson/redisson)                                                                                            | 3.0+                               | N/A                                                                                                                                                                                                                                                                                                                                                                                     | [Database Client Spans], [Database Client Metrics] [6]                                                                                       |
 | [RESTEasy](https://resteasy.dev/)                                                                                                           | 3.0+ (not including 6.0+ yet)      | N/A                                                                                                                                                                                                                                                                                                                                                                                     | Provides `http.route` [2], Controller Spans [3]                                                                                                   |
-| [RESTEasy](https://resteasy.dev/)                                                                                                           | 3.0+ (not including 6.0+ yet)      | N/A                                                                                                                                                                                                                                                                                                                                                                                     | Provides `http.route` [2], Controller Spans [3]                                                                                                   |
 | [Restlet](https://restlet.github.io/)                                                                                                       | 1.0+                               | [opentelemetry-restlet-1.1](../instrumentation/restlet/restlet-1.1/library),<br>[opentelemetry-restlet-2.0](../instrumentation/restlet/restlet-2.0/library)                                                                                                                                                                                                                             | [HTTP Server Spans], [HTTP Server Metrics]                                                                                                        |
 | [RMI](https://docs.oracle.com/en/java/javase/11/docs/api/java.rmi/java/rmi/package-summary.html)                                            | Java 8+                            |                                                                                                                                                                                                                                                                                                                                                                                         | [RPC Client Spans], [RPC Server Spans]                                                                                                            |
 | [RxJava](https://github.com/ReactiveX/RxJava)                                                                                               | 1.0+                               | [opentelemetry-rxjava-1.0](../instrumentation/rxjava/rxjava-1.0/library),<br>[opentelemetry-rxjava-2.0](../instrumentation/rxjava/rxjava-2.0/library),<br>[opentelemetry-rxjava-3.0](../instrumentation/rxjava/rxjava-3.0/library),<br>[opentelemetry-rxjava-3.1.1](../instrumentation/rxjava/rxjava-3.1.1/library)                                                                     | Context propagation                                                                                                                               |