[deb] Clean control file, remove some legacy Conflicts and Replaces -…

…- it is safe to do so because 3.x instances already have these Conflicts / Replaces, so it's okay to remove them for 4.x

debian/control

@@ -14,9 +14,9 @@ Depends: ${python:Depends}, ${misc:Depends}
  , moulinette (>= 3.7), ssowat (>= 3.7)
  , python-psutil, python-requests, python-dnspython, python-openssl
  , python-miniupnpc, python-dbus, python-jinja2
- , python-toml, python-packaging
+ , python-toml, python-packaging, python-publicsuffix
  , apt, apt-transport-https
- , nginx, nginx-extras (>=1.6.2)
+ , nginx, nginx-extras
  , php-fpm, php-ldap, php-intl
  , mariadb-server, php-mysql | php-mysqlnd
  , openssh-server, iptables, fail2ban, dnsutils, bind9utils
@@ -25,10 +25,10 @@ Depends: ${python:Depends}, ${misc:Depends}
  , dnsmasq, avahi-daemon, libnss-mdns, resolvconf, libnss-myhostname
  , postfix, postfix-ldap, postfix-policyd-spf-perl, postfix-pcre
  , dovecot-core, dovecot-ldap, dovecot-lmtpd, dovecot-managesieved, dovecot-antispam
- , rspamd (>= 1.6.0), opendkim-tools, postsrsd, procmail, mailutils
+ , rspamd, opendkim-tools, postsrsd, procmail, mailutils
  , redis-server
  , metronome (>=3.14.0)
- , git, curl, wget, cron, unzip, jq
+ , git, curl, wget, cron, unzip, jq, bc
  , lsb-release, haveged, fake-hwclock, equivs, lsof, whois, python-publicsuffix
 Recommends: yunohost-admin
  , ntp, inetutils-ping | iputils-ping
@@ -39,17 +39,8 @@ Recommends: yunohost-admin
  , libdbd-ldap-perl, libnet-dns-perl
 Suggests: htop, vim, rsync, acpi-support-base, udisks2
 Conflicts: iptables-persistent
- , moulinette-yunohost, yunohost-config
- , yunohost-config-others, yunohost-config-postfix
- , yunohost-config-dovecot, yunohost-config-slapd
- , yunohost-config-nginx, yunohost-config-amavis
- , yunohost-config-mysql, yunohost-predepends
- , apache2, bind9
-Replaces: moulinette-yunohost, yunohost-config
- , yunohost-config-others, yunohost-config-postfix
- , yunohost-config-dovecot, yunohost-config-slapd
- , yunohost-config-nginx, yunohost-config-amavis
- , yunohost-config-mysql, yunohost-predepends
+ , apache2
+ , bind9
 Description: manageable and configured self-hosting server
  YunoHost aims to make self-hosting accessible to everyone. It configures
  an email, Web and IM server alongside a LDAP base. It also provides