refactor: [torrust#1195] remove deprecated context section in docs

It was used to group methods by services in the old core tracker.

src/core/authentication/mod.rs

@@ -60,8 +60,6 @@ impl Facade {
     /// # Errors
     ///
     /// Will return an error if the the authentication key cannot be verified.
-    ///
-    /// # Context: Authentication
     pub async fn authenticate(&self, key: &Key) -> Result<(), Error> {
         if self.is_private() {
             self.verify_auth_key(key).await
@@ -77,8 +75,6 @@ impl Facade {
 
     /// It verifies an authentication key.
     ///
-    /// # Context: Authentication
-    ///
     /// # Errors
     ///
     /// Will return a `key::Error` if unable to get any `auth_key`.
@@ -180,8 +176,6 @@ impl Facade {
     ///
     /// Authentication keys are used by HTTP trackers.
     ///
-    /// # Context: Authentication
-    ///
     /// # Errors
     ///
     /// Will return a `database::Error` if unable to add the `auth_key` to the database.
@@ -193,8 +187,6 @@ impl Facade {
     ///
     /// Authentication keys are used by HTTP trackers.
     ///
-    /// # Context: Authentication
-    ///
     /// # Errors
     ///
     /// Will return a `database::Error` if unable to add the `auth_key` to the database.
@@ -217,8 +209,6 @@ impl Facade {
     ///
     /// Authentication keys are used by HTTP trackers.
     ///
-    /// # Context: Authentication
-    ///
     /// # Errors
     ///
     /// Will return a `database::Error` if unable to add the `auth_key` to the
@@ -235,8 +225,6 @@ impl Facade {
     ///
     /// Authentication keys are used by HTTP trackers.
     ///
-    /// # Context: Authentication
-    ///
     /// # Errors
     ///
     /// Will return a `database::Error` if unable to add the `auth_key` to the
@@ -266,8 +254,6 @@ impl Facade {
 
     /// It removes an authentication key.
     ///
-    /// # Context: Authentication    
-    ///
     /// # Errors
     ///
     /// Will return a `database::Error` if unable to remove the `key` to the database.
@@ -280,8 +266,6 @@ impl Facade {
     }
 
     /// It removes an authentication key from memory.
-    ///
-    /// # Context: Authentication    
     pub async fn remove_in_memory_auth_key(&self, key: &Key) {
         self.in_memory_key_repository.remove(key).await;
     }
@@ -291,8 +275,6 @@ impl Facade {
     /// into memory with this function. Keys are automatically stored in the database when they
     /// are generated.
     ///
-    /// # Context: Authentication
-    ///
     /// # Errors
     ///
     /// Will return a `database::Error` if unable to `load_keys` from the database.