Remove __gpg_sign_cmd as it is failing on Fedora 43 due to some obsolete options.

docs/en_US/release_notes_9_11.rst

@@ -23,6 +23,7 @@ New features
   | `Issue #6388 <https://github.com/pgadmin-org/pgadmin4/issues/6388>`_ -  Add support of DEPENDS/NO DEPENDS ON EXTENSION for INDEX.
   | `Issue #6390 <https://github.com/pgadmin-org/pgadmin4/issues/6390>`_ -  Add support of DEPENDS/NO DEPENDS ON EXTENSION for MATERIALIZED VIEW.
   | `Issue #8968 <https://github.com/pgadmin-org/pgadmin4/issues/8968>`_ -  Add support for showing the column data type beside column name in the object explorer.
+  | `Issue #9263 <https://github.com/pgadmin-org/pgadmin4/issues/9263>`_ -  Added Ubuntu 25.10 and Fedora 43
 
 Housekeeping
 ************

pkg/redhat/setup.sh

@@ -61,8 +61,6 @@ echo
 %_gpg_path ~/.gnupg
 %_gpg_name <your signing key>
 %_gpgbin /usr/bin/gpg2
-%__gpg_sign_cmd %{__gpg} gpg --force-v3-sigs --batch --verbose --no-armor --no-secmem-warning -u "%{_gpg_name}" -sbo %{__signature_filename
-} --digest-algo sha256 %{__plaintext_filename}
 EOF
 
 echo