drop fmt support

use https://packagecontrol.io/packages/Formatter instead

Zig.py

@@ -365,33 +365,12 @@ def on_phantom_navigate(self, url):
         self.hide_phantoms()
 
 
-class ZigFmt(sublime_plugin.TextCommand):
-    def run(self, edit, file: str = "$file"):
-        view = self.view
-        zig_exec = get_setting(view, 'zig.executable', 'zig')
-        file = sublime.expand_variables(file, self.view.window().extract_variables())
-        subprocess.run([zig_exec, "fmt", file], check=True, encoding="utf-8")
-        print(zig_exec, "fmt", file)
-
-
 class Zig(sublime_plugin.EventListener):
     def on_load_async(self, view):
         w = view.window()
         if w is not None:
             w.run_command('zig_build', {'update_phantoms_only': True})
 
-    def on_post_save(self, view):
-        # Formatting happens synchronously to avoid conflict between user inputs and format changes.
-        sel = view.sel()[0]
-        region = view.word(sel)
-        scope = view.scope_name(region.b)
-        if scope.find('source.zig') != -1:
-            should_fmt = get_setting(view, 'zig.fmt.on_save', True)
-            if (should_fmt):
-                mode = get_setting(view, 'zig.fmt.mode', 'file').lower()
-                file = '$file' if mode == 'file' else '$folder'
-                view.run_command('zig_fmt', {"file": file })
-
     def on_post_save_async(self, view):
         sel = view.sel()[0]
         region = view.word(sel)