kbuild: remove stale code for 'source' symlink in packaging scripts

Since commit d8131c29 ("kbuild: remove $(MODLIB)/source symlink"),
modules_install does not create the 'source' symlink.

Remove the stale code from builddeb and kernel.spec.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

scripts/package/builddeb

@@ -64,7 +64,6 @@ install_linux_image () {
 
 	${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${pdir}" modules_install
 	rm -f "${pdir}/lib/modules/${KERNELRELEASE}/build"
-	rm -f "${pdir}/lib/modules/${KERNELRELEASE}/source"
 
 	# Install the kernel
 	if [ "${ARCH}" = um ] ; then

scripts/package/kernel.spec

@@ -68,7 +68,6 @@ cp $(%{make} %{makeflags} -s image_name) %{buildroot}/boot/vmlinuz-%{KERNELRELEA
 cp System.map %{buildroot}/boot/System.map-%{KERNELRELEASE}
 cp .config %{buildroot}/boot/config-%{KERNELRELEASE}
 ln -fns /usr/src/kernels/%{KERNELRELEASE} %{buildroot}/lib/modules/%{KERNELRELEASE}/build
-ln -fns /usr/src/kernels/%{KERNELRELEASE} %{buildroot}/lib/modules/%{KERNELRELEASE}/source
 %if %{with_devel}
 %{make} %{makeflags} run-command KBUILD_RUN_COMMAND='${srctree}/scripts/package/install-extmod-build %{buildroot}/usr/src/kernels/%{KERNELRELEASE}'
 %endif
@@ -101,7 +100,6 @@ fi
 %defattr (-, root, root)
 /lib/modules/%{KERNELRELEASE}
 %exclude /lib/modules/%{KERNELRELEASE}/build
-%exclude /lib/modules/%{KERNELRELEASE}/source
 /boot/*
 
 %files headers
@@ -113,5 +111,4 @@ fi
 %defattr (-, root, root)
 /usr/src/kernels/%{KERNELRELEASE}
 /lib/modules/%{KERNELRELEASE}/build
-/lib/modules/%{KERNELRELEASE}/source
 %endif