Update license files to remove shelf-pack attribution

GitOrigin-RevId: 4c29a36042fa92dc55c024ef40da433c3f7c9323

Author: kkaefer

LICENSE.md

@@ -690,29 +690,6 @@ THIS SOFTWARE.
 
 ---
 
-### shelf-pack-cpp,2.1.1,ISC,Mapbox,https://github.com/mapbox/shelf-pack-cpp
-
-```
-ISC License
-
-Copyright (c) 2017, Mapbox
-
-Permission to use, copy, modify, and/or distribute this software for any purpose
-with or without fee is hereby granted, provided that the above copyright notice
-and this permission notice appear in all copies.
-
-THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
-REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
-FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
-INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
-OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
-TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
-THIS SOFTWARE.
-
-```
-
----
-
 ### supercluster-hpp-internal,0.5.0,ISC,Mapbox,https://github.com/mapbox/supercluster-hpp-internal
 
 ```