Revert "add code to linux packaging to download bundled content"

We're not going to bundle content in the download package.

This reverts commit 7b855f0cc5.

tools/linux_packaging/build

@@ -741,18 +741,6 @@ if test -n "$MIXBUS"; then
 		rm -f "${MediaClips}/"*.*
 		unzip -q -d "${MediaClips}" "${CACHEDIR}/MixbusBundledMedia.zip"
 	fi
-else
-	# Ardour  Bundled Media Content
-	curl -s -S --fail -#  \
-		-z "${CACHEDIR}/ArdourBundledMedia.zip" \
-		-o "${CACHEDIR}/ArdourBundledMedia.zip" \
-		"https://ardour.org/files/ArdourBundledMedia.zip"
-
-	if test -f "${CACHEDIR}/ArdourBundledMedia.zip"; then
-		echo "Adding Ardour Bundled Content"
-		rm -f "${MediaClips}/"*.*
-		unzip -q -d "${MediaClips}" "${CACHEDIR}/ArdourBundledMedia.zip"
-	fi
 fi
 
 echo "Setting Bundled Media dir/file permissions"