remove unused ncp backend

cups.spec

@@ -2,7 +2,7 @@
 Name:    cups
 Epoch:   1
 Version: 2.3.3
-Release: 4
+Release: 5
 Summary: CUPS is the standards-based, open source printing system for linux operating systems.
 License: GPLv2+ and LGPLv2+ with exceptions and AML
 Url:     http://www.cups.org/
@@ -10,7 +10,6 @@ Source0: https://github.com/apple/cups/archive/v%{version}.tar.gz
 
 Source2: cupsprinter.png
 Source3: cups.logrotate
-Source4: ncp.backend
 Source5: macros.cups
 
 Patch1:  cups-system-auth.patch
@@ -154,7 +153,6 @@ install -d ${RPM_BUILD_ROOT}%{_datadir}/pixmaps ${RPM_BUILD_ROOT}%{_sysconfdir}/
            ${RPM_BUILD_ROOT}%{_rpmconfigdir}/macros.d
 install -p -m 644 %{SOURCE2} ${RPM_BUILD_ROOT}%{_datadir}/pixmaps
 install -p -m 644 %{SOURCE3} ${RPM_BUILD_ROOT}%{_sysconfdir}/logrotate.d/cups
-install -p -m 755 %{SOURCE4} ${RPM_BUILD_ROOT}%{_exec_prefix}/lib/cups/backend/ncp
 install -m 0644 %{SOURCE5} ${RPM_BUILD_ROOT}%{_rpmconfigdir}/macros.d
 
 touch ${RPM_BUILD_ROOT}%{_sysconfdir}/cups/{printers,classes,client,subscriptions}.conf
@@ -334,6 +332,9 @@ rm -f %{_exec_prefix}/lib/cups/backend/smb
 %doc %{_datadir}/%{name}/www/apple-touch-icon.png
 
 %changelog
+* Tue May 25 2021 liuyumeng <liuyumeng@huawei.com> - 2.3.3-5
+- remove unused ncp backend
+
 * Mon May 24 2021 liuyumeng <liuyumeng@huawei.com> - 2.3.3-4
 - Type:bugfix
 - ID:NA