first pass at resolving CR

src/chat.rs

@@ -635,44 +635,6 @@ impl Chat {
         &self.name
     }
 
-    fn parent_query(fields: &str) -> String {
-        // Check for server_uid guarantees that we don't
-        // select a draft or undelivered message.
-        format!(
-            "SELECT {} \
-             FROM msgs WHERE chat_id=?1 AND server_uid!=0 \
-             ORDER BY timestamp DESC, id DESC \
-             LIMIT 1;",
-            fields
-        )
-    }
-
-    async fn get_parent_mime_headers(&self, context: &Context) -> Option<(String, String, String)> {
-        let collect = |row: &rusqlite::Row| Ok((row.get(0)?, row.get(1)?, row.get(2)?));
-        let params = paramsv![self.id];
-        let sql = &context.sql;
-
-        let query = Self::parent_query("rfc724_mid, mime_in_reply_to, mime_references");
-
-        sql.query_row(&query, params, collect).await.ok()
-    }
-
-    async fn parent_is_encrypted(&self, context: &Context) -> Result<bool, Error> {
-        let sql = &context.sql;
-        let params = paramsv![self.id];
-        let query = Self::parent_query("param");
-
-        let packed: Option<String> = sql.query_get_value_result(&query, params).await?;
-
-        if let Some(ref packed) = packed {
-            let param = packed.parse::<Params>()?;
-            Ok(param.exists(Param::GuaranteeE2ee))
-        } else {
-            // No messages
-            Ok(false)
-        }
-    }
-
     pub async fn get_profile_image(&self, context: &Context) -> Option<PathBuf> {
         if let Some(image_rel) = self.param.get(Param::ProfileImage) {
             if !image_rel.is_empty() {