Revert "Link to libsnapshot_cow everywhere libsnapshot is linked."

Revert submission 1433573-vab-libsnapshot-linkage

Reason for revert: b/169981170, update crash for droidfooders.
Reverted Changes:
Ie75bba98c:Link to libsnapshot_cow where libsnapshot is linke...
Ieedfadc55:libsnapshot: Partially implement OpenSnapshotWrite...
I28a5d4a88:Link to libsnapshot_cow everywhere libsnapshot is ...

Change-Id: I8c774ca4a8dec21dd308694bb8205861a19c3e12
diff --git a/Android.bp b/Android.bp
index 5dfbdbf..bd2d0b0 100644
--- a/Android.bp
+++ b/Android.bp
@@ -78,7 +78,6 @@
         "libminui",
         "librecovery_utils",
         "libotautil",
-        "libsnapshot_cow",
         "libsnapshot_nobinder",
         "update_metadata-protos",
     ],