Remove obsolete verbose arguments from packaging.

Logging replaces verbose arguments.  I haven’t fixed the example in
Doc/install/install.rst because I have major fixes and changes to the
oc under way and will fix or remove that example as part of that task.
diff --git a/Lib/packaging/command/sdist.py b/Lib/packaging/command/sdist.py
index 09b26db..d399981 100644
--- a/Lib/packaging/command/sdist.py
+++ b/Lib/packaging/command/sdist.py
@@ -337,12 +337,11 @@
         """
         return self.archive_files
 
-    def create_tree(self, base_dir, files, mode=0o777, verbose=1,
-                    dry_run=False):
+    def create_tree(self, base_dir, files, mode=0o777, dry_run=False):
         need_dir = set()
         for file in files:
             need_dir.add(os.path.join(base_dir, os.path.dirname(file)))
 
         # Now create them
         for dir in sorted(need_dir):
-            self.mkpath(dir, mode, verbose=verbose, dry_run=dry_run)
+            self.mkpath(dir, mode, dry_run=dry_run)