Remove old unused patch

0001-Add-pkgconfig-support.patch

@@ -1,59 +0,0 @@
-From 502f04beeb0ac26c6f1944845713fe3f69d35387 Mon Sep 17 00:00:00 2001
-From: Igor Gnatenko <i.gnatenko.brain@gmail.com>
-Date: Sun, 8 Sep 2013 09:38:38 +0400
-Subject: [PATCH 1/3] Add pkgconfig support
-
-Signed-off-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>
----
- Makefile.am  |  4 ++++
- configure.ac |  2 +-
- libev.pc.in  | 11 +++++++++++
- 3 files changed, 16 insertions(+), 1 deletion(-)
- create mode 100644 libev.pc.in
-
-diff --git a/Makefile.am b/Makefile.am
-index 059305b..9e556c0 100644
---- a/Makefile.am
-+++ b/Makefile.am
-@@ -11,6 +11,10 @@ man_MANS = ev.3
- 
- include_HEADERS = ev.h ev++.h event.h
- 
-+pkgconfigdir = $(libdir)/pkgconfig
-+
-+pkgconfig_DATA = libev.pc
-+
- lib_LTLIBRARIES = libev.la
- 
- libev_la_SOURCES = ev.c event.c
-diff --git a/configure.ac b/configure.ac
-index 80b18cb..f0c6d2b 100644
---- a/configure.ac
-+++ b/configure.ac
-@@ -22,5 +22,5 @@ AC_PROG_LIBTOOL
- 
- m4_include([libev.m4])
- 
--AC_CONFIG_FILES([Makefile])
-+AC_CONFIG_FILES([Makefile libev.pc])
- AC_OUTPUT
-diff --git a/libev.pc.in b/libev.pc.in
-new file mode 100644
-index 0000000..3b6c636
---- /dev/null
-+++ b/libev.pc.in
-@@ -0,0 +1,11 @@
-+prefix=@prefix@
-+exec_prefix=@prefix@
-+libdir=@libdir@
-+includedir=@includedir@
-+
-+Name: libev
-+Description: High-performance event loop/event model
-+Version: @VERSION@
-+Libs: -L${libdir} -lev
-+Libs.private: 
-+Cflags: -I${includedir}
--- 
-1.8.3.1
-