scripts/cve-json-to-text.py: remove unused options

Remove --all and -a and they are unused in the file.
Remove long options as they don't actually exist when using getopt.

(From OE-Core rev: c2be1a9197b5e261051fe075edca000dc70ee2fe)

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/cve-json-to-text.py

@@ -48,12 +48,9 @@ def parse_args(argv):
     except getopt.GetoptError:
         show_syntax_and_exit(1)
     for opt, arg in opts:
-        if opt in ("-h", "--help"):
+        if opt in ("-h"):
             show_syntax_and_exit(0)
-        elif opt in ("-a", "--all"):
-            show_all = True
-            show_unknown = True
-        elif opt in ("-i", "--input"):
+        elif opt in ("-i"):
             infile = arg
 
 def load_json(filename):