tests: Remove unused option

The getopt allows the definition of '-d' but this is menaingless.
Drop the option from the parser.

Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Eric B Munson <emunson@mgebm.net>

tests/run_tests.py

@@ -680,7 +680,7 @@ def main():
     custom_ldscripts = False
 
     try:
-        opts, args = getopt.getopt(sys.argv[1:], "vVfdt:b:p:c:lh")
+        opts, args = getopt.getopt(sys.argv[1:], "vVft:b:p:c:lh")
     except getopt.GetoptError, err:
         print str(err)
         sys.exit(1)