force flag isn't required when admin group exists since it's there by default

install/vst-install-debian.sh

@@ -260,7 +260,7 @@ if [ "x$(id -u)" != 'x0' ]; then
 fi
 
 # Checking admin user account
-if [ ! -z "$(grep ^admin: /etc/passwd /etc/group)" ] && [ -z "$force" ]; then
+if [ ! -z "$(grep ^admin: /etc/passwd)" ] && [ -z "$force" ]; then
     echo 'Please remove admin user account before proceeding.'
     echo 'If you want to do it automatically run installer with -f option:'
     echo -e "Example: bash $0 --force\n"
@@ -1236,7 +1236,7 @@ if [ ! -z "$(grep ^admin: /etc/passwd)" ] && [ "$force" = 'yes' ]; then
     mv -f /home/admin  $vst_backups/home/ >/dev/null 2>&1
     rm -f /tmp/sess_* >/dev/null 2>&1
 fi
-if [ ! -z "$(grep ^admin: /etc/group)" ] && [ "$force" = 'yes' ]; then
+if [ ! -z "$(grep ^admin: /etc/group)" ]; then
     groupdel admin > /dev/null 2>&1
 fi
 

install/vst-install-ubuntu.sh

@@ -240,7 +240,7 @@ if [ "x$(id -u)" != 'x0' ]; then
 fi
 
 # Checking admin user account
-if [ ! -z "$(grep ^admin: /etc/passwd /etc/group)" ] && [ -z "$force" ]; then
+if [ ! -z "$(grep ^admin: /etc/passwd)" ] && [ -z "$force" ]; then
     echo 'Please remove admin user account before proceeding.'
     echo 'If you want to do it automatically run installer with -f option:'
     echo -e "Example: bash $0 --force\n"
@@ -1213,7 +1213,7 @@ if [ ! -z "$(grep ^admin: /etc/passwd)" ] && [ "$force" = 'yes' ]; then
     mv -f /home/admin  $vst_backups/home/ >/dev/null 2>&1
     rm -f /tmp/sess_* >/dev/null 2>&1
 fi
-if [ ! -z "$(grep ^admin: /etc/group)" ] && [ "$force" = 'yes' ]; then
+if [ ! -z "$(grep ^admin: /etc/group)" ]; then
     groupdel admin > /dev/null 2>&1
 fi