Adopt additional IDLE help file changes from #140418

Remove PDF and CHM references from IDLE help file browser and config.

Co-Authored-By: Claude <noreply@anthropic.com>

Author: gpshead

Lib/idlelib/config-main.def

@@ -34,9 +34,8 @@
 # relevant settings from the default file.
 #
 # Additional help sources are listed in the [HelpFiles] section below
-# and should be viewable by a web browser (or the Windows Help viewer in
-# the case of .chm files). These sources will be listed on the Help
-# menu.  The pattern, and two examples, are:
+# and should be viewable by a web browser. These sources will be listed
+# on the Help menu.  The pattern, and two examples, are:
 #
 # <sequence_number = menu item;/path/to/help/source>
 # 1 = IDLE;C:/Programs/Python36/Lib/idlelib/help.html

Lib/idlelib/query.py

@@ -289,8 +289,6 @@ def askfilename(self, filetypes, initdir, initfile):  # htest #
     def browse_file(self):
         filetypes = [
             ("HTML Files", "*.htm *.html", "TEXT"),
-            ("PDF Files", "*.pdf", "TEXT"),
-            ("Windows Help Files", "*.chm"),
             ("Text Files", "*.txt", "TEXT"),
             ("All Files", "*")]
         path = self.pathvar.get()