Clean up depedencies and cargo tomls (#4180)

* Clean up depedencies and cargo tomls

* Yeah, fuck it

substrate/palette/balances/src/lib.rs

@@ -181,7 +181,9 @@ use sr_primitives::{
 };
 use system::{IsDeadAccount, OnNewAccount, ensure_signed, ensure_root};
 
+#[cfg(test)]
 mod mock;
+#[cfg(test)]
 mod tests;
 
 pub use self::imbalances::{PositiveImbalance, NegativeImbalance};

substrate/palette/balances/src/mock.rs

@@ -16,8 +16,6 @@
 
 //! Test utilities
 
-#![cfg(test)]
-
 use sr_primitives::{Perbill, traits::{ConvertInto, IdentityLookup}, testing::Header};
 use primitives::H256;
 use runtime_io;

substrate/palette/balances/src/tests.rs

@@ -16,8 +16,6 @@
 
 //! Tests for the module.
 
-#![cfg(test)]
-
 use super::*;
 use mock::{Balances, ExtBuilder, Runtime, System, info_from_weight, CALL};
 use sr_primitives::traits::SignedExtension;