TARGETS file not setting sse explicitly

Summary:
We don't need to set them explicitly.
Closes https://github.com/facebook/rocksdb/pull/2660

Differential Revision: D5514141

Pulled By: yiwu-arbug

fbshipit-source-id: 10edebfc3cfe0afc00a34519f87fcea4d65069ae

buckifier/targets_cfg.py

@@ -10,8 +10,6 @@ REPO_PATH = TARGETS_PATH[(TARGETS_PATH.find('fbcode/') + len('fbcode/')):] + "/"
 BUCK_BINS = "buck-out/gen/" + REPO_PATH
 TEST_RUNNER = REPO_PATH + "buckifier/rocks_test_runner.sh"
 rocksdb_compiler_flags = [
-  "-msse",
-  "-msse4.2",
   "-fno-builtin-memcmp",
   "-DROCKSDB_PLATFORM_POSIX",
   "-DROCKSDB_LIB_IO_POSIX",