Update v-add-fastcgi-cache (hestiacp#2870)

Debugging with X-STATUS was removed in commit hestiacp#2183. No point in having unneeded info in the script.
cmstew@2ee38eb

Author: cmstew

bin/v-add-fastcgi-cache

@@ -1,12 +1,12 @@
 #!/bin/bash
 # info: Enable FastCGI cache for nginx
-# options: USER DOMAIN [DURATION] [DEBUG] [RESTART]
+# options: USER DOMAIN [DURATION] [RESTART]
 #
 # example: v-add-fastcgi-cache user domain.tld 30m
 #
 # This function enables FastCGI cache for nginx
 # Acceptable values for duration is time in seconds (10s) minutes (10m) or days (10d)
-# Add "yes" as last parameter to append debug information to response headers
+# Add "yes" as last parameter to restart nginx
 
 #----------------------------------------------------------#
 #                Variables & Functions                     #
@@ -30,7 +30,7 @@ source_conf "$HESTIA/conf/hestia.conf"
 #                    Verifications                         #
 #----------------------------------------------------------#
 
-check_args '2' "$#" 'USER DOMAIN [DURATION] [DEBUG] [RESTART]'
+check_args '2' "$#" 'USER DOMAIN [DURATION] [RESTART]'
 is_format_valid 'user' 'domain' 'restart'
 is_object_valid 'user' 'USER' "$user"
 is_object_unsuspended 'user' 'USER' "$user"