Drop some patches:
- glibc 2.17 and 2.18 are now supported by upstream
- coregrind/link_tool_exe_linux.in has been reworked and should now
support ccache
[Peter: drop unneeded AUTORECONF as configure.in no longer gets patched]
Signed-off-by: Jérôme Pouiller <jezz@sysmic.org>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>