libarchive: remove merged patch

src/libarchive-1-fixes.patch

@@ -5,7 +5,7 @@ Contains ad hoc patches for cross building.
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: "fix@me" <fix@me>
 Date: Tue, 14 Feb 2012 12:40:24 +0100
-Subject: [PATCH 1/2] fix pkg-config
+Subject: [PATCH 1/1] fix pkg-config
 
 
 diff --git a/build/pkgconfig/libarchive.pc.in b/build/pkgconfig/libarchive.pc.in
@@ -18,23 +18,3 @@ index 1111111..2222222 100644
  Libs: -L${libdir} -larchive
 -Libs.private: @LIBS@
 +Libs.private: @LIBS@ -liconv
-
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Tony Theodore <tonyt@logyst.com>
-Date: Sun, 13 Aug 2017 14:38:47 +1000
-Subject: [PATCH 2/2] libarchive.pc.in: add Cflags.private for static linking
-
-taken from:
-https://github.com/libarchive/libarchive/pull/934
-
-diff --git a/build/pkgconfig/libarchive.pc.in b/build/pkgconfig/libarchive.pc.in
-index 1111111..2222222 100644
---- a/build/pkgconfig/libarchive.pc.in
-+++ b/build/pkgconfig/libarchive.pc.in
-@@ -7,5 +7,6 @@ Name: libarchive
- Description: library that can create and read several streaming archive formats
- Version: @VERSION@
- Cflags: -I${includedir}
-+Cflags.private: -DLIBARCHIVE_STATIC
- Libs: -L${libdir} -larchive
- Libs.private: @LIBS@ -liconv