Revert "DNM: Add some mistakes"

This reverts commit d892a73a.

substrate/frame/babe/Cargo.toml

@@ -46,7 +46,6 @@ std = [
 	"frame-benchmarking?/std",
 	"frame-election-provider-support/std",
 	"frame-support/std",
-	"frame-support/std",
 	"frame-system/std",
 	"log/std",
 	"pallet-authorship/std",

substrate/frame/collective/Cargo.toml

@@ -31,6 +31,7 @@ std = [
 	"frame-benchmarking?/std",
 	"frame-support/std",
 	"frame-system/std",
+	"log/std",
 	"scale-info/std",
 	"sp-core/std",
 	"sp-io/std",

substrate/frame/conviction-voting/Cargo.toml

@@ -30,7 +30,7 @@ sp-std = { path = "../../primitives/std", default-features = false}
 [dev-dependencies]
 pallet-balances = { path = "../balances" }
 pallet-scheduler = { path = "../scheduler" }
-sp-core = { path = "../../primitives/core", default-features = false }
+sp-core = { path = "../../primitives/core" }
 
 [features]
 default = [ "std" ]