Strip board-info.txt for AOSP

Change-Id: I5948210c1a1428ed9cb4f8a8319bfe43e0f76a44
diff --git a/board-info.txt b/board-info.txt
index 232cbc0..6fcd60b 100644
--- a/board-info.txt
+++ b/board-info.txt
@@ -1,6 +1 @@
-# This is the open-source version of board-info.txt; it should contain
-# version of the radio and bootloader that are available to the
-# public.
 require board=tuna
-require version-bootloader=PRIMELA03|PRIMELC03
-require version-baseband=I9250XXLA2|I9250XXLF1