Simplify RSpec configuration by removing deprecated settings

- Removed `treat_symbols_as_metadata_keys_with_true_values` setting as it is deprecated
- Removed `run_all_when_everything_filtered` setting to streamline configuration
- Removed `filter_run :focus` setting to avoid unnecessary filtering configuration

Author: ssig33

spec/spec_helper.rb

@@ -3,7 +3,4 @@
 require "webmock/rspec"
 
 RSpec.configure do |config|
-  config.treat_symbols_as_metadata_keys_with_true_values = true
-  config.run_all_when_everything_filtered = true
-  config.filter_run :focus
 end