Remove unused base64 imports.

src/caps.rs

@@ -10,7 +10,6 @@ use crate::util::error::Error;
 use crate::hashes::{Algo, Hash};
 use crate::ns;
 use crate::presence::PresencePayload;
-use base64;
 use blake2::VarBlake2b;
 use digest::{Digest, Input, VariableOutput};
 use minidom::Element;
@@ -218,7 +217,6 @@ pub fn query_caps(caps: Caps) -> DiscoInfoQuery {
 mod tests {
     use super::*;
     use crate::caps;
-    use base64;
 
     #[cfg(target_pointer_width = "32")]
     #[test]

src/ecaps2.rs

@@ -9,7 +9,6 @@ use crate::disco::{DiscoInfoQuery, DiscoInfoResult, Feature, Identity};
 use crate::hashes::{Algo, Hash};
 use crate::ns;
 use crate::presence::PresencePayload;
-use base64;
 use blake2::VarBlake2b;
 use digest::{Digest, Input, VariableOutput};
 use sha2::{Sha256, Sha512};

src/hashes.rs

@@ -6,7 +6,6 @@
 
 use crate::util::error::Error;
 use crate::util::helpers::Base64;
-use base64;
 use minidom::IntoAttributeValue;
 use std::num::ParseIntError;
 use std::ops::{Deref, DerefMut};

src/jingle_ft.rs

@@ -327,7 +327,6 @@ generate_element!(
 mod tests {
     use super::*;
     use crate::hashes::Algo;
-    use base64;
 
     #[cfg(target_pointer_width = "32")]
     #[test]

src/util/helpers.rs

@@ -5,7 +5,6 @@
 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 use crate::util::error::Error;
-use base64;
 
 /// Codec for plain text content.
 pub struct PlainText;