Clean up Driver field, update core artifact to 3.0.6

Author: flyingsilverfin

dependencies/typedb/artifacts.bzl

@@ -25,7 +25,7 @@ def typedb_artifact():
         artifact_name = "typedb-all-{platform}-{version}.{ext}",
         tag_source = deployment["artifact"]["release"]["download"],
         commit_source = deployment["artifact"]["snapshot"]["download"],
-        commit = "3a5fe020b18839b8b24d6a5a21e35ce55430086d"
+        tag = "3.0.6"
     )
 
 #def typedb_cloud_artifact():

rust/src/driver.rs

@@ -41,7 +41,6 @@ pub struct TypeDBDriver {
     database_manager: DatabaseManager,
     user_manager: UserManager,
     background_runtime: Arc<BackgroundRuntime>,
-    username: Option<String>,
     is_cloud: bool,
 }
 
@@ -130,7 +129,6 @@ impl TypeDBDriver {
             database_manager,
             user_manager,
             background_runtime,
-            username: None,
             is_cloud: false,
         })
     }
@@ -281,7 +279,6 @@ impl TypeDBDriver {
         //     Ok(Connection {
         //         server_connections,
         //         background_runtime,
-        //         username: Some(credential.username().to_owned()),
         //         is_cloud: true,
         //     })
         // }
@@ -404,10 +401,6 @@ impl TypeDBDriver {
         self.server_connections.iter()
     }
 
-    pub(crate) fn username(&self) -> Option<&str> {
-        self.username.as_deref()
-    }
-
     pub(crate) fn unable_to_connect_error(&self) -> Error {
         Error::Connection(ConnectionError::ServerConnectionFailed {
             addresses: self.servers().map(Address::clone).collect_vec(),