Remove the obsoleted patches

libchewing.spec

@@ -16,10 +16,6 @@ URL:            http://chewing.csie.net/
 Source0:        http://chewing.googlecode.com/files/%{name}-%{version}.tar.bz2
 Source1:         https://raw.github.com/chewing/%{name}/v%{version}/contrib/python/chewing.py
 
-Patch1: libchewing-0.3.4.asprintf.patch
-Patch2: libchewing-0.3.4.tsiMissing.patch
-Patch3: libchewing-0.3.4.texiDirEntry.patch
-
 BuildRequires:  autoconf automake libtool pkgconfig texinfo
 Requires(post): info
 Requires(preun): info
@@ -68,9 +64,6 @@ Python binding of libchewing.
 
 %prep
 %setup -q
-%patch1 -p0 -b .asprintf
-%patch2 -p0 -b .tsiMissing
-%patch3 -p0 -b .texiDirEntry
 mkdir -p contrib/python
 cp -p %SOURCE1 contrib/python