Remove unused imports and extern crate (#5245)

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Kian Paimani authored and GitHub committed 2020-03-14 12:48:47 +01:00
1 parent 74f8db5def
commit 7e2cd0edee
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+19 -21

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@@ -16,8 +16,6 @@
//! Macros to derive chain spec extension traits implementation.
extern crate proc_macro;
mod impls;
use proc_macro::TokenStream;