removed comment with default: rustfmt-format_strings
removed comment with default: rustfmt-format_strings

graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,SingingTree/rustfmt,SingingTree/rustfmt,aidancully/rust,rust-lang/rustfmt,rust-lang/rustfmt,graydon/rust,aidancully/rust,graydon/rust