remove references to symbol_maps_pat

Author: joshedney

tools/fastlane-plugin/lib/fastlane/plugin/bugsnag/actions/upload_symbols_to_bugsnag.rb

@@ -145,12 +145,6 @@ def self.available_options
                                        description: "URL of the server receiving uploaded files",
                                        default_value: nil,
                                        optional: true),
-          FastlaneCore::ConfigItem.new(key: :symbol_maps_path,
-                                       env_name: "BUGSNAG_SYMBOL_MAPS_PATH",
-                                       description: "Path to the BCSymbolMaps directory to build complete dSYM files",
-                                       default_value: nil,
-                                       optional: true,
-                                       verify_block: validate_symbol_maps),
           FastlaneCore::ConfigItem.new(key: :project_root,
                                        env_name: "BUGSNAG_PROJECT_ROOT",
                                        description: "Root path of the project",