Enable std feature for all dependencies in node-runtime (#2193)

substrate/node/runtime/Cargo.toml

@@ -47,12 +47,14 @@ std = [
 	"rstd/std",
 	"runtime_primitives/std",
 	"support/std",
+	"aura/std",
 	"balances/std",
 	"consensus/std",
 	"contract/std",
 	"council/std",
 	"democracy/std",
 	"executive/std",
+	"finality-tracker/std",
 	"grandpa/std",
 	"indices/std",
 	"session/std",
@@ -69,6 +71,7 @@ std = [
 	"consensus_aura/std",
 	"rustc-hex",
 	"hex-literal",
-	"serde",
 	"substrate-keyring",
+	"offchain-primitives/std",
+	"consensus_authorities/std",
 ]