docs: update

README.md

@@ -67,7 +67,6 @@ require('gitsigns').setup {
   linehl     = false, -- Toggle with `:Gitsigns toggle_linehl`
   word_diff  = false, -- Toggle with `:Gitsigns toggle_word_diff`
   watch_gitdir = {
-    interval = 1000,
     follow_files = true
   },
   attach_to_untracked = true,

doc/gitsigns.txt

@@ -575,8 +575,7 @@ watch_gitdir                                    *gitsigns-config-watch_gitdir*
       Default: >
         `{
           enable = true,
-          follow_files = true,
-          interval = 1000
+          follow_files = true
         }`
 <
       When opening a file, a libuv watcher is placed on the respective
@@ -587,9 +586,6 @@ watch_gitdir                                    *gitsigns-config-watch_gitdir*
         • `enable`:
             Whether the watcher is enabled.
 
-        • `interval`:
-            Interval the watcher waits between polls of the gitdir in milliseconds.
-
         • `follow_files`:
             If a file is moved with `git mv`, switch the buffer to the new location.