Upgrade quopri from Python 3.14.0 (RustPython#6852)

Copilot · web-flow · commit da41a0cb203d · 2026-01-24T10:57:22.000+09:00
Upgrades the `quopri` module from Python 3.14.0 as part of the ongoing
standard library update effort.

## Changes

- Updated `Lib/quopri.py` from CPython v3.14.0
  - Removed shebang line
  - Changed file mode from executable to regular file
- No functional changes to the module
diff --git a/Lib/quopri.py b/Lib/quopri.py
@@ -1,5 +1,3 @@
-#! /usr/bin/env python3
-
 """Conversions to/from quoted-printable transport encoding as per RFC 1521."""
 
 # (Dec 1991 version).

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,3 @@`
`1`		`-#! /usr/bin/env python3`
`2`		`-`
`3`	`1`	`"""Conversions to/from quoted-printable transport encoding as per RFC 1521."""`
`4`	`2`
`5`	`3`	`# (Dec 1991 version).`