Remove all submodules. am: 724eebcf3c
am: 5906871076

Change-Id: I7325381b5f8b4d84bed7e95a912f0d7091136f0e
diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index e69de29..0000000
--- a/.gitmodules
+++ /dev/null