fix: remove time unit from duration fields description

apps/emqx_resource/i18n/emqx_resource_schema_i18n.conf

@@ -36,8 +36,8 @@ For bridges only have ingress direction data flow, it can be set to 0 otherwise
 
   health_check_interval {
     desc {
-      en: """Health check interval, in milliseconds."""
-      zh: """健康检查间隔，单位毫秒。"""
+      en: """Health check interval."""
+      zh: """健康检查间隔。"""
     }
     label {
       en: """Health Check Interval"""
@@ -69,8 +69,8 @@ For bridges only have ingress direction data flow, it can be set to 0 otherwise
 
   auto_restart_interval {
     desc {
-      en: """The auto restart interval after the resource is disconnected, in milliseconds."""
-      zh: """资源断开以后，自动重连的时间间隔，单位毫秒。"""
+      en: """The auto restart interval after the resource is disconnected."""
+      zh: """资源断开以后，自动重连的时间间隔。"""
     }
     label {
       en: """Auto Restart Interval"""