docs: Regenerate CLI docs

Fixes #5779

docs/content/en/commands/hugo_server.md

@@ -1,5 +1,5 @@
 ---
-date: 2019-01-30
+date: 2019-03-26
 title: "hugo server"
 slug: hugo_server
 url: /commands/hugo_server/
@@ -60,14 +60,15 @@ hugo server [flags]
       --noChmod                don't sync permission mode of files
       --noHTTPCache            prevent HTTP caching
       --noTimes                don't sync modification time of files
+      --path-warnings          print warnings on duplicate target paths etc.
   -p, --port int               port on which the server will listen (default 1313)
       --renderToDisk           render to Destination path (default is render to memory & serve from there)
   -s, --source string          filesystem path to read files relative from
-      --stepAnalysis           display memory and timing of different steps of the program
       --templateMetrics        display metrics about template executions
       --templateMetricsHints   calculate some improvement hints when combined with --templateMetrics
   -t, --theme strings          themes to use (located in /themes/THEMENAME/)
       --themesDir string       filesystem path to themes directory
+      --trace file             write trace to file (not useful in general)
   -w, --watch                  watch filesystem for changes and recreate as needed (default true)
 ```
 
@@ -88,4 +89,4 @@ hugo server [flags]
 
 * [hugo](/commands/hugo/)	 - hugo builds your site
 
-###### Auto generated by spf13/cobra on 30-Jan-2019
+###### Auto generated by spf13/cobra on 26-Mar-2019