Remove tests patch file and check (not run by GHA anyway)

mingw-w64-exiv2/0001-fix-tests.patch

@@ -1,20 +0,0 @@
-diff -Naur exiv2-0.26.orig/test/functions.source exiv2-0.26/test/functions.source
---- exiv2-0.26.orig/test/functions.source	2017-04-26 21:16:21.000000000 +0200
-+++ exiv2-0.26/test/functions.source	2017-06-20 23:59:49.920106800 +0200
-@@ -440,6 +440,8 @@
- 	testdir="$here/tmp"
- 	datadir="../data"
- 
-+	mkdir -p $testdir
-+
- 	if [ -z "$EXIV2_BINDIR" ] ; then
-         bin="$here/../build/bin/"
- 	else
-@@ -452,6 +454,7 @@
- 		export PLATFORM=cygwin
- 	elif [ "${os:0:4}" == "MING" -o "${os:0:4}" == "MSYS" ]; then
- 		export PLATFORM=mingw
-+		bin=$(cygpath $EXIV2_BINDIR)
- 	else
- 		export PLATFORM=$os
- 	fi

mingw-w64-exiv2/PKGBUILD

@@ -55,11 +55,6 @@ build() {
   make
 }
 
-check() {
-  cd ${srcdir}/build-${MINGW_CHOST}
-  make tests
-}
-
 package() {
   cd ${srcdir}/build-${MINGW_CHOST}
   make DESTDIR="${pkgdir}" install