Send notification about new platform version only to sysadmins

dao/src/main/java/org/thingsboard/server/dao/notification/DefaultNotificationSettingsService.java

@@ -98,7 +98,7 @@ public class DefaultNotificationSettingsService implements NotificationSettingsS
             defaultNotifications.create(tenantId, DefaultNotifications.apiFeatureDisabledForSysadmin, sysAdmins.getId());
             defaultNotifications.create(tenantId, DefaultNotifications.apiFeatureDisabledForTenant, affectedTenantAdmins.getId());
 
-            defaultNotifications.create(tenantId, DefaultNotifications.newPlatformVersion, sysAdmins.getId(), tenantAdmins.getId());
+            defaultNotifications.create(tenantId, DefaultNotifications.newPlatformVersion, sysAdmins.getId());
             return;
         }
 

dao/src/main/java/org/thingsboard/server/dao/notification/DefaultNotifications.java

@@ -143,7 +143,7 @@ public class DefaultNotifications {
             .rule(DefaultRule.builder()
                     .name("New platform version")
                     .triggerConfig(new NewPlatformVersionNotificationRuleTriggerConfig())
-                    .description("Send notification to system admins and tenant admins when new platform version is available")
+                    .description("Send notification to system admins when new platform version is available")
                     .build())
             .build();