fix: removed hardcoded covariance, set sensible defaults in params

Signed-off-by: nitin2606 <nitinmaurya2606@gmail.com>

Author: nitin2606

swerve_drive_controller/src/swerve_drive_controller.cpp

@@ -147,14 +147,6 @@ CallbackReturn SwerveController::on_configure(const rclcpp_lifecycle::State & /*
   auto logger = get_node()->get_logger();
   try
   {
-    for (std::size_t i = 0; i < 6; ++i)
-    {
-      params_.pose_covariance_diagonal[i] = 0.01;
-    }
-    for (std::size_t i = 0; i < 6; ++i)
-    {
-      params_.twist_covariance_diagonal[i] = 0.01;
-    }
     if (params_.front_left_wheel_joint.empty())
     {
       RCLCPP_ERROR(logger, "front_left_wheel_joint_name is not set");