Remove external/messageformat

external/messageformat is unused in the platform

Bug: 63809499
Test: build
Merged-In: If26b67f868ae1377efccf49c1b6bf086d4b43415
Merged-In: I478fa7791328539bdd8826cdec1dc9f36f8cbfdc
Change-Id: I478fa7791328539bdd8826cdec1dc9f36f8cbfdc
1 file changed
tree: c5efad7cc1113a0db0ebbe4c8b550d5c057d8b83
  1. default.xml
  2. GLOBAL-PREUPLOAD.cfg