Removed everything relating to regex as it's not needed (and never should have been in the first place)

Author: kjetilkjeka

Cargo.toml

@@ -19,7 +19,6 @@ inflections = "1.1.0"
 quote = "0.3.15"
 svd-parser = "0.5.2"
 syn = "0.11.9"
-regex = "0.2.2"
 
 [[bin]]
 doc = false

src/main.rs

@@ -10,7 +10,6 @@ extern crate inflections;
 extern crate quote;
 extern crate svd_parser as svd;
 extern crate syn;
-extern crate regex;
 
 mod errors;
 mod generate;

src/util.rs

@@ -1,6 +1,5 @@
 use std::borrow::Cow;
 
-use regex::Regex;
 use inflections::Inflect;
 use svd;
 use svd::{Access, EnumeratedValues, Field, Peripheral, Register,