depends_x86_64: remove nvidia-utils (now provided by cuda)

nvidia-utils is now a dependency for cuda, so we do not need to
specify it here anymore.

Although I prefer to explicitly list dependencies, nvidia-utils is
a cuda component because it provides 'libcuda.so.1'. So it makes
sense to let it only with cuda.

References
----------
https://bugs.archlinux.org/task/58408
https://git.archlinux.org/svntogit/community.git/commit/trunk?h=packages/cuda&id=b9d76ab707c8deb25cd9734e99e15e965f05f570

.SRCINFO

@@ -1,7 +1,7 @@
 pkgbase = ffmpeg-full
 	pkgdesc = Complete solution to record, convert and stream audio and video (all possible features including nvenc, qsv and libfdk-aac)
 	pkgver = 4.0
-	pkgrel = 1
+	pkgrel = 2
 	url = http://www.ffmpeg.org/
 	arch = i686
 	arch = x86_64
@@ -123,7 +123,6 @@ pkgbase = ffmpeg-full
 	sha256sums = ed945daf40b124e77a685893cc025d086f638bc703183460aff49508edb3a43f
 	sha256sums = 04a7176400907fd7db0d69116b99de49e582a6e176b3bfb36a03e50a4cb26a36
 	depends_x86_64 = cuda
-	depends_x86_64 = nvidia-utils
 	depends_x86_64 = intel-media-sdk
 	makedepends_x86_64 = vmaf-git