Refactor: Remove redundant dependencies & unify unzip usage (#4780)

* refactor unzip / remove dep

* remove deps from alpine packages

* remove gnupg

* remove gnupg

install/nodebb-install.sh

@@ -69,7 +69,7 @@ msg_info "Install NodeBB"
 cd /opt
 RELEASE=$(curl -fsSL https://api.github.com/repos/NodeBB/NodeBB/releases/latest | grep "tag_name" | awk '{print substr($2, 3, length($2)-4) }')
 curl -fsSL "https://github.com/NodeBB/NodeBB/archive/refs/tags/v${RELEASE}.zip" -o $(basename "https://github.com/NodeBB/NodeBB/archive/refs/tags/v${RELEASE}.zip")
-unzip -q v${RELEASE}.zip
+$STD unzip v${RELEASE}.zip
 mv NodeBB-${RELEASE} /opt/nodebb
 cd /opt/nodebb
 touch pidfile