str.removesuffix() was added on Python 3.9, but rstrip()
actually does the same thing, as we just want to remove a single
character. It is also shorter.

So, use it.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
 scripts/lib/kdoc/kdoc_parser.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/lib/kdoc/kdoc_parser.py b/scripts/lib/kdoc/kdoc_parser.py
index f923600561f8..77e8bfeccc8e 100755
--- a/scripts/lib/kdoc/kdoc_parser.py
+++ b/scripts/lib/kdoc/kdoc_parser.py
@@ -1641,7 +1641,7 @@ class KernelDoc:
                     # Group continuation lines on prototypes
                     if self.state == self.STATE_PROTO:
                         if line.endswith("\\"):
-                            prev += line.removesuffix("\\")
+                            prev += line.rstrip("\\")
                             cont = True
 
                             if not prev_ln:
-- 
2.49.0