feat: remove tls upgrade error notification

internal/frontend/qml/Gui.qml

@@ -237,13 +237,6 @@ Item {
             winMain.tlsBarState="notOK"
         }
 
-        onShowIMAPCertTroubleshoot : {
-            go.notifyBubble(1, qsTr(
-                "Bridge was unable to establish a connection with your Email client. <br> <a href=\"https://protonmail.com/support/knowledge-base/bridge-ssl-connection-issue\">Learn more</a> <br>",
-                "notification message"
-            ))
-        }
-
 
     }
 

internal/frontend/qml/tst_Gui.qml

@@ -122,7 +122,6 @@ Window {
         ListElement { title: "Minimize this"  }
         ListElement { title: "SendAlertPopup" }
         ListElement { title: "TLSCertError"   }
-        ListElement { title: "IMAPCertError"  }
     }
 
     ListView {
@@ -209,9 +208,6 @@ Window {
                     case "TLSCertError" :
                     go.showCertIssue()
                     break;
-                    case "IMAPCertError" :
-                    go.showIMAPCertTroubleshoot()
-                    break;
                     default :
                     console.log("Not implemented " + data)
                 }
@@ -314,7 +310,6 @@ Window {
         signal failedAutostartCode(string code)
 
         signal showCertIssue()
-        signal showIMAPCertTroubleshoot()
 
         signal updateFinished(bool hasError)