Revert "get-rommanager: Prevent saving a broken download".  Breaks buildbot on certain distros (arch?), file mimetype is incorrectly reported.

This reverts commit d55f5ad199ee86599a0278a2789f30eede48fb5f.
diff --git a/get-rommanager b/get-rommanager
index 19a0941..b452695 100755
--- a/get-rommanager
+++ b/get-rommanager
@@ -1,16 +1,2 @@
-url=http://mirrorbrain.cyanogenmod.com/cm/recoveries/RomManager.apk
-apk=RomManager.apk
-dir=`dirname $0`/proprietary
-mkdir -p $dir
-curl -Lo $dir/$apk.new $url || exit $?
-mime=`file -b --mime-type $dir/$apk.new`
-if [ "$mime" = "application/zip" ]
-then
-    mv $dir/$apk.new $dir/$apk
-    file --mime-type $dir/$apk
-else
-    echo -n "$dir/$apk.new: "
-    echo "$mime" | grep text && cat $dir/$apk.new
-    rm $dir/$apk.new
-    exit 1
-fi
+mkdir -p `dirname $0`/proprietary
+curl -L -o `dirname $0`/proprietary/RomManager.apk -O -L http://mirror.dal.tdrevolution.net/cm/recoveries/RomManager.apk