debian/control: remove python2 as dependency of build environment (#12213)

This fixes the issue that ACS cannot be packaged on Ubuntu 24.04 due to unsupported python2
verified by `apt-get build-dep .`

Author: weizhouapache

debian/control

@@ -4,7 +4,7 @@ Priority: extra
 Maintainer: The Apache CloudStack Team <dev@cloudstack.apache.org>
 Build-Depends: debhelper (>= 9), openjdk-17-jdk | java17-sdk | java17-jdk | zulu-17 | openjdk-11-jdk | java11-sdk | java11-jdk | zulu-11, genisoimage,
  python-mysql.connector | python3-mysql.connector | mysql-connector-python-py3, maven (>= 3) | maven3,
- python (>= 2.7) | python2 (>= 2.7), python3 (>= 3), python-setuptools, python3-setuptools,
+ python3 (>= 3), python3-setuptools,
  nodejs (>= 12), lsb-release, dh-systemd | debhelper (>= 13)
 Standards-Version: 3.8.1
 Homepage: http://www.cloudstack.org/