Remove public preview superscript for mute others feature in web

Author: allchiang-msft

articles/communication-services/concepts/voice-video-calling/calling-sdk-features.md

@@ -59,7 +59,7 @@ The following list presents the set of features that are currently available in
 |                   | Invite another VoIP participant to join an ongoing group call                                                       | ✔️   | ✔️       | ✔️              | ✔️                 |
 | Mid call control  | Turn your video on/off                                                                                              | ✔️   | ✔️       | ✔️              | ✔️                 |
 |                   | Mute/Unmute mic                                                                                                     | ✔️   | ✔️       | ✔️              | ✔️                 |
-|                   | Mute other participants    |✔️<sup>1</sup>        |   ✔️<sup>1</sup>       |    ✔️<sup>1</sup>              |     ✔️<sup>1</sup>      |
+|                   | Mute other participants    |✔️   |   ✔️<sup>1</sup>       |    ✔️<sup>1</sup>              |     ✔️<sup>1</sup>      |
 |                   | Switch between cameras                                                                                              | ✔️   | ✔️       | ✔️              | ✔️                 |
 |                   | Local hold/un-hold                                                                                                  | ✔️   | ✔️       | ✔️              | ✔️                 |
 |                   | Active speaker                                                                                                      | ✔️   | ✔️       | ✔️              | ✔️                 |