obs: Fix typo while remove the fine.

obs/slapos/templates/slapos.spec.in

@@ -94,7 +94,7 @@ mkdir -p $RPM_BUILD_ROOT/etc/logrotate.d/
 cp $RPM_BUILD_DIR/slapos-node_%{unmangled_version}+%{slapversion}+%{release_number}/template/slapos-node.logrotate $RPM_BUILD_ROOT/etc/logrotate.d/slapos.logrotate.conf
 mkdir -p $RPM_BUILD_ROOT/etc/systemd/system/
 mkdir -p $RPM_BUILD_ROOT/opt/slapos/log
-rm $RPM_BUILD_ROOT/opt/slapos/eggs/setuptools-*.egg/setuptools/tests/test_easy_install.py
+rm -rf $RPM_BUILD_ROOT/opt/slapos/eggs/setuptools-*.egg/setuptools/tests/test_easy_install.py
 
 %files
 /opt/slapos