fix: remove unnecessary dnf upgrade from fedora installer

fedora.sh

@@ -13,7 +13,6 @@ showHelp() {
 
 main() {
 	FEDORAVER=$(grep "VERSION_ID=" /etc/os-release | sed 's/"//g' | sed 's/.*=//')
-	dnf -y upgrade
 	dnf -y install wget newt
 	wget -O /tmp/init.sh "${BASE_URL}"/fedora-"${FEDORAVER}"/init.sh
 	bash /tmp/init.sh -b "${BASE_URL}"