fix help message

Author: JustinWonjaePark

src/fosslight_source/_help.py

@@ -29,7 +29,6 @@
             -j\t\t\t   Generate raw result of scanners in json format
             -t <float>\t\t   Stop scancode scanning if scanning takes longer than a timeout in seconds.
             -c <core>\t\t   Select the number of cores to be scanned with ScanCode.
-            -u <url>\t\t   Print scanned url information
             --no_correction\t   Enter if you don't want to correct OSS information with sbom-info.yaml
             --correct_fpath <path> Path to the sbom-info.yaml file"""