refactor(location): rename module dc_location -> location

src/dc_mimefactory.rs

@@ -16,10 +16,10 @@ use crate::constants::*;
 use crate::contact::*;
 use crate::context::{dc_get_version_str, Context};
 use crate::dc_e2ee::*;
-use crate::dc_location::*;
 use crate::dc_strencode::*;
 use crate::dc_tools::*;
 use crate::error::Error;
+use crate::location::*;
 use crate::message::*;
 use crate::param::*;
 use crate::stock::StockMessage;