Drop these patch lines, too

libkolabxml.spec

@@ -50,11 +50,6 @@ Source0:        http://git.kolab.org/libkolabxml/snapshot/%{name}-%{version}.tar
 
 BuildRoot:      %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
 
-## upstreamable patches
-# not sure about this, the api conversion test uses seems *all* about boost_threads, but
-# then ends up with a symbol from boost_system -- rex
-Patch50:        libkolabxml-0.7.0-boost.patch 
-
 %if 0%{?rhel} < 6 && 0%{?fedora} < 15
 BuildRequires:  boost141-devel
 %else
@@ -190,7 +185,6 @@ bindings provided through libkolabxml.
 
 %prep
 %setup -q
-%patch1 -p1
 
 %build
 rm -rf build