Revert "flounder: require bootloader 3.43.0.0115"

Bug: 18342372

This reverts commit 0ec8b077b7810590a24b8dbf2c1dde288988e2bc.
diff --git a/board-info.txt b/board-info.txt
index bf9794a..0b6ce58 100644
--- a/board-info.txt
+++ b/board-info.txt
@@ -1,2 +1,2 @@
 board=flounder|flounder_lte
-require version-bootloader=3.43.0.0115
+require version-bootloader=3.43.0.0114