Remove netcat from dependencies (#4346)

Signed-off-by: Christian König <ckoenig@posteo.de>

automated install/basic-install.sh

@@ -288,7 +288,7 @@ if is_command apt-get ; then
     # Packages required to run this install script (stored as an array)
     INSTALLER_DEPS=(git iproute2 whiptail ca-certificates)
     # Packages required to run Pi-hole (stored as an array)
-    PIHOLE_DEPS=(cron curl iputils-ping lsof netcat psmisc sudo unzip idn2 sqlite3 libcap2-bin dns-root-data libcap2)
+    PIHOLE_DEPS=(cron curl iputils-ping lsof psmisc sudo unzip idn2 sqlite3 libcap2-bin dns-root-data libcap2)
     # Packages required for the Web admin interface (stored as an array)
     # It's useful to separate this from Pi-hole, since the two repos are also setup separately
     PIHOLE_WEB_DEPS=(lighttpd "${phpVer}-common" "${phpVer}-cgi" "${phpVer}-sqlite3" "${phpVer}-xml" "${phpVer}-intl")
@@ -333,7 +333,7 @@ elif is_command rpm ; then
     PKG_COUNT="${PKG_MANAGER} check-update | egrep '(.i686|.x86|.noarch|.arm|.src)' | wc -l"
     OS_CHECK_DEPS=(grep bind-utils)
     INSTALLER_DEPS=(git iproute newt procps-ng which chkconfig ca-certificates)
-    PIHOLE_DEPS=(cronie curl findutils nmap-ncat sudo unzip libidn2 psmisc sqlite libcap lsof)
+    PIHOLE_DEPS=(cronie curl findutils sudo unzip libidn2 psmisc sqlite libcap lsof)
     PIHOLE_WEB_DEPS=(lighttpd lighttpd-fastcgi php-common php-cli php-pdo php-xml php-json php-intl)
     LIGHTTPD_USER="lighttpd"
     LIGHTTPD_GROUP="lighttpd"