libdir drop custom directory

dev/libs/gmp/ympbuild

@@ -18,7 +18,7 @@ cd $name-$version
 
 setup(){
     ./configure --prefix=/usr \
-	--libdir=/usr/lib64/gmp \
+	--libdir=/usr/lib64 \
 	$(use_opt cxx --enable-cxx --disable-cxx)
 }
 
@@ -28,8 +28,5 @@ build(){
 
 package(){
     make install -j`nproc`
-    mkdir -p ${DESTDIR}/etc/ld.so.conf.d/
-    echo "/usr/lib64/gmp/" > ${DESTDIR}/etc/ld.so.conf.d/gmp.conf
-    mv ${DESTDIR}/usr/lib64/{$name/pkgconfig,}
 }