snapshotctl: Not necessary to link to libdm.

The symbols are provided by libfs_mgr_binder.

Bug: 149942628
Test: snapshotctl builds
Merged-In: Ie4313c7add5c71bb9614a4d97eec41329425f23d
Change-Id: Iac986bcaaf4a8738b2938c6f95569eb8f5154805
diff --git a/fs_mgr/libsnapshot/Android.bp b/fs_mgr/libsnapshot/Android.bp
index 63bdcc5..2d62617 100644
--- a/fs_mgr/libsnapshot/Android.bp
+++ b/fs_mgr/libsnapshot/Android.bp
@@ -222,7 +222,6 @@
         "snapshotctl.cpp",
     ],
     static_libs: [
-        "libdm",
         "libfstab",
         "libsnapshot",
     ],