community/re2: modernize

community/re2/APKBUILD

@@ -14,17 +14,14 @@ source="$pkgname-$pkgver.tar.gz::https://github.com/google/$pkgname/archive/$_pk
 builddir="$srcdir"/$pkgname-$_pkgver
 
 build() {
-	cd "$builddir"
 	make
 }
 
 check() {
-	cd "$builddir"
 	make test
 }
 
 package() {
-	cd "$builddir"
 	make DESTDIR="$pkgdir" prefix=/usr install
 }