On unmatch use php7.4

installers/common.sh

@@ -15,13 +15,9 @@ elif [ $version -eq 10 ]; then
 elif [ $version -eq 9 ]; then
     version_msg="9.0 (Stretch)"
     php_package="php7.0-cgi"
-elif [ $version -eq 8 ]; then
-    version_msg="8.0 (Jessie)"
-    php_package="php5.6-cgi"
 else
-    version_msg="Earlier than 8.0 (Wheezy)"
-    webroot_dir="/var/www"
-    php_package="php5.6-cgi"
+    version_msg="Unmatched version use php7.4"
+    php_package="php7.4-cgi"
 fi
 
 phpcgiconf=""