Use new persistent store library (and delete old)

src/embedded_flash/mod.rs

@@ -1,4 +1,4 @@
-// Copyright 2019 Google LLC
+// Copyright 2019-2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,16 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#[cfg(any(test, feature = "ram_storage"))]
-mod buffer;
-mod storage;
-mod store;
 #[cfg(not(any(test, feature = "ram_storage")))]
 mod syscall;
 
-#[cfg(any(test, feature = "ram_storage"))]
-pub use self::buffer::{BufferOptions, BufferStorage};
-pub use self::storage::{Index, Storage, StorageError, StorageResult};
-pub use self::store::{Store, StoreConfig, StoreEntry, StoreError, StoreIndex};
 #[cfg(not(any(test, feature = "ram_storage")))]
 pub use self::syscall::SyscallStorage;