purge out patches which are not needed anymore as they went upstream

cxxtools/patches/0001-fix-compile-error.patch

@@ -1,24 +0,0 @@
-diff --git a/src/fileimpl.cpp b/src/fileimpl.cpp
-index 08edcb9..db8cb7f 100644
---- a/src/fileimpl.cpp
-+++ b/src/fileimpl.cpp
-@@ -35,6 +35,7 @@
- #include <unistd.h>
- #include <errno.h>
- #include <string.h>
-+#include <cstdio>
- 
- namespace cxxtools {
- 
-diff --git a/src/http/messageheader.cpp b/src/http/messageheader.cpp
-index 9381be7..21ee7c3 100644
---- a/src/http/messageheader.cpp
-+++ b/src/http/messageheader.cpp
-@@ -30,6 +30,7 @@
- #include <cxxtools/clock.h>
- #include <cctype>
- #include <sstream>
-+#include <cstdio>
- 
- namespace cxxtools {
- 

zimlib/patches/001-fix-cxxtools-option.patch

@@ -1,15 +0,0 @@
-Index: configure.in
-===================================================================
---- a/configure.in	(revision 239)
-+++ b/configure.in	(working copy)
-@@ -26,9 +26,9 @@
- if test "$with_cxxtools" = "yes"
- then
-   AC_DEFINE(WITH_CXXTOOLS, [1], [defined if cxxtools is used])
-+  AC_CHECK_HEADER([cxxtools/condition.h], , AC_MSG_ERROR([cxxtools headers not found]))
- fi
- 
--AC_CHECK_HEADER([cxxtools/condition.h], , AC_MSG_ERROR([cxxtools headers not found]))
- AM_CONDITIONAL(WITH_CXXTOOLS, test "$with_cxxtools" = yes)
- 
- # output

zimlib/patches/002-disable-tests.patch

@@ -1,13 +0,0 @@
-Index: Makefile.am
-===================================================================
---- a/Makefile.am	(revision 239)
-+++ b/Makefile.am	(working copy)
-@@ -1,8 +1,4 @@
- SUBDIRS = \
- 	src \
- 	include \
--	test \
- 	zimDump
--
--test: all
--	test/zimlib-test

zimlib/patches/003-reduce-memory-usage.patch

@@ -1,13 +0,0 @@
---- zimlib.orig/src/fileimpl.cpp	2009-08-25 01:47:04.000000000 +0200
-+++ zimlib/src/fileimpl.cpp	2009-10-08 13:02:45.000000000 +0200
-@@ -43,8 +43,8 @@
-   //
-   FileImpl::FileImpl(const char* fname)
-     : zimFile(fname, std::ios::in | std::ios::binary),
--      direntCache(512),
--      clusterCache(16)
-+      direntCache(32),
-+      clusterCache(1)
-   {
-     if (!zimFile)
-       throw ZenoFileFormatError(std::string("can't open zim-file \"") + fname + '"');