Revert "package/gstreamer1: add hash file"

This reverts commit 048e97ebde04e822b50352baddc4278788ef737e.

As noticed by Gustavo, we already had a sha256 hash from upstream, so adding
one more doesn't make any sense.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/gstreamer1/gstreamer1/gstreamer1.hash

@@ -1,4 +1,2 @@
 # From http://gstreamer.freedesktop.org/src/gstreamer/gstreamer-1.8.2.tar.xz.sha256sum
 sha256	9dbebe079c2ab2004ef7f2649fa317cabea1feb4fb5605c24d40744b90918341  gstreamer-1.8.2.tar.xz
-# locally computed
-sha256  9dbebe079c2ab2004ef7f2649fa317cabea1feb4fb5605c24d40744b90918341  gstreamer-1.8.2.tar.xz