chore: improve metrics interval desc

apps/emqx_prometheus/i18n/emqx_prometheus_schema_i18n.conf

@@ -20,8 +20,8 @@ emqx_prometheus_schema {
 
   interval {
     desc {
-      en: """Data reporting interval, in milliseconds."""
-      zh: """数据推送间隔，单位 毫秒"""
+      en: """Data reporting interval"""
+      zh: """数据推送间隔"""
     }
   }
   enable {

apps/emqx_statsd/i18n/emqx_statsd_schema_i18n.conf

@@ -2,40 +2,40 @@ emqx_statsd_schema {
 
   statsd {
     desc {
-      en: """Settings for reporting metrics to Statsd"""
-      zh: """Statsd 监控数据推送"""
+      en: """Settings for reporting metrics to StatsD"""
+      zh: """StatsD 监控数据推送"""
     }
     label {
-      en: """Statsd"""
-      zh: """Statsd"""
+      en: """StatsD"""
+      zh: """StatsD"""
     }
   }
 
   server {
     desc {
-      en: """URL of Statsd server"""
-      zh: """Statsd 服务器地址"""
+      en: """URL of StatsD server"""
+      zh: """StatsD 服务器地址"""
     }
   }
 
   sample_interval {
     desc {
-      en: """Data collection interval in second."""
-      zh: """数据收集间隔，单位 毫秒"""
+      en: """Data collection interval."""
+      zh: """数据收集间隔"""
     }
   }
 
   flush_interval {
     desc {
-      en: """Data reporting interval, in second."""
-      zh: """数据推送间隔，单位 毫秒"""
+      en: """Data reporting interval."""
+      zh: """数据推送间隔"""
     }
   }
 
   enable {
     desc {
-      en: """Turn Statsd data pushing on or off"""
-      zh: """开启或关闭 Statsd 数据推送"""
+      en: """Turn StatsD data pushing on or off"""
+      zh: """开启或关闭 StatsD 数据推送"""
     }
   }
 }