delete unused try macro from read2.rs
delete unused try macro from read2.rs

eminence/cargo,rustyhorde/cargo,sbeckeriv/cargo,tsurai/cargo,achanda/cargo,tshepang/cargo,tsurai/cargo,vojtechkral/cargo,durka/cargo,tshepang/cargo,durka/cargo,sbeckeriv/cargo,nipunn1313/cargo,rust-lang/cargo,achanda/cargo,sbeckeriv/cargo,vojtechkral/cargo,rustyhorde/cargo,tshepang/cargo,sbeckeriv/cargo,rustyhorde/cargo,achanda/cargo,vojtechkral/cargo,vojtechkral/cargo,nipunn1313/cargo,eminence/cargo,rust-lang/cargo,tsurai/cargo,achanda/cargo,rust-lang/cargo,eminence/cargo,tsurai/cargo,tsurai/cargo,tshepang/cargo,nipunn1313/cargo,eminence/cargo,durka/cargo,durka/cargo,rust-lang/cargo,rustyhorde/cargo,nipunn1313/cargo