remove some meanwhile unneeded allow-statements

src/chat.rs

@@ -1569,7 +1569,6 @@ pub fn add_contact_to_chat(context: &Context, chat_id: u32, contact_id: u32) ->
     }
 }
 
-#[allow(non_snake_case)]
 pub(crate) fn add_contact_to_chat_ex(
     context: &Context,
     chat_id: u32,
@@ -1950,7 +1949,6 @@ pub fn set_chat_name(
 /// The profile image can only be set when you are a member of the
 /// chat.  To remove the profile image pass an empty string for the
 /// `new_image` parameter.
-#[allow(non_snake_case)]
 pub fn set_chat_profile_image(
     context: &Context,
     chat_id: u32,

src/constants.rs

@@ -1,5 +1,5 @@
 //! # Constants
-#![allow(non_camel_case_types, dead_code)]
+#![allow(dead_code)]
 
 use deltachat_derive::*;
 use lazy_static::lazy_static;

src/dc_receive_imf.rs

@@ -1233,7 +1233,6 @@ fn hex_hash(s: impl AsRef<str>) -> String {
     hex::encode(&result[..8])
 }
 
-#[allow(non_snake_case)]
 fn search_chat_ids_by_contact_ids(
     context: &Context,
     unsorted_contact_ids: &[u32],

src/dc_tools.rs

@@ -260,7 +260,6 @@ pub fn dc_derive_safe_stem_ext(filename: &str) -> (String, String) {
 }
 
 // the returned suffix is lower-case
-#[allow(non_snake_case)]
 pub fn dc_get_filesuffix_lc(path_filename: impl AsRef<str>) -> Option<String> {
     Path::new(path_filename.as_ref())
         .extension()

src/job.rs

@@ -631,7 +631,6 @@ fn set_delivered(context: &Context, msg_id: MsgId) {
 }
 
 /* special case for DC_JOB_SEND_MSG_TO_SMTP */
-#[allow(non_snake_case)]
 pub fn job_send_msg(context: &Context, msg_id: MsgId) -> Result<(), Error> {
     let mut msg = Message::load_from_db(context, msg_id)?;
     msg.try_calc_and_set_dimensions(context).ok();
@@ -913,7 +912,6 @@ fn send_mdn(context: &Context, msg_id: MsgId) -> Result<(), Error> {
     Ok(())
 }
 
-#[allow(non_snake_case)]
 fn add_smtp_job(
     context: &Context,
     action: Action,