Remove uneeded "Rejoin" button

harmonyqml/components/chat/LeftBanner.qml

@@ -11,11 +11,6 @@ Banner {
     labelText: ChatJS.getLeftBannerText(leftEvent)
 
     buttonModel: [
-        {
-            text: "Rejoin",
-            iconName: "join",
-            iconColor: Qt.hsla(0.13, 0.9, 0.35, 1),
-        },
         {
             text: "Forget",
             iconName: "trash_can",

harmonyqml/components/chat/utils.js

@@ -162,7 +162,7 @@ function getLeftBannerText(leftEvent) {
 
     if (leftEvent.state_key === leftEvent.sender) {
         return (prev && prev.membership === "invite" ?
-                "You declined to join this room." : "You left the room.") +
+                "You declined to join the room." : "You left the room.") +
                reason
     }