mc: stop referencing python2

mc/PKGBUILD

@@ -2,7 +2,7 @@
 
 pkgname=mc
 pkgver=4.8.25
-pkgrel=2
+pkgrel=3
 pkgdesc="Midnight Commander is a text based filemanager/shell that emulates Norton Commander"
 arch=('i686' 'x86_64')
 url="https://www.midnight-commander.org/"
@@ -78,6 +78,6 @@ package() {
   sed 's|op_has_zipinfo = 0|op_has_zipinfo = 1|' \
     -i "${pkgdir}/usr/lib/mc/extfs.d/uzip"
 
-  sed 's#/usr/bin/env python#/usr/bin/python2#' \
+  sed 's#/usr/bin/env python#/usr/bin/python#' \
     -i "${pkgdir}/usr/lib/mc/extfs.d/s3+"
 }