remove unused function parameter

modules/create_archive

@@ -73,7 +73,6 @@ create_archive() {
 	local input_file="$1"
 	local password="$2"
 	local volumes="$3"
-	local size="$4"
 	local archive_name="$5"
 
 	7z a -mhe=on "-p${password}" "$volumes" "$archive_name" "${input_file}"
@@ -102,7 +101,6 @@ main() {
 		"$input_file" \
 		"$password" \
 		"$volumes" \
-		"$size" \
 		"$archive_name"
 
 	log "NOTICE" "Archive created"