Stray configure~ file added to git repo

[Keith Thompson]

Configuration Information [Automatically generated, do not change]:
Machine: x86_64
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS: -g -O2
uname output: Linux bomb20 6.14.0-27-generic #27~24.04.1-Ubuntu SMP
PREEMPT_DYNAMIC Tue Jul 22 17:38:49 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
Machine Type: x86_64-pc-linux-gnu

Bash Version: 5.3
Patch Level: 0
Release Status: release

Description:
        The latest commit a8a1c2fa on the master branch at git://
git.savannah.gnu.org/bash.git
        adds the file "configure~".

        I presume this was unintentional.

Repeat-By:
        git show a8a1c2fa | grep '^diff'

Fix:
        Delete the "configure~" file.