docs: kdoc: remove an extraneous strip() call

...the variable in question was already strip()ed at the top of the loop.

Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250807211639.47286-9-corbet@lwn.net

scripts/lib/kdoc/kdoc_parser.py

@@ -703,7 +703,6 @@ class KernelDoc:
                                 newmember += f"{dtype}{s_id}.{name}{extra}; "
 
                         else:
-                            arg = arg.strip()
                             # Handle bitmaps
                             arg = KernRe(r':\s*\d+\s*').sub('', arg)