ament-colcon-ros doesn't work.

package.xml

@@ -1,15 +0,0 @@
-<?xml version="1.0"?>
-<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
-<package format="3">
-  <name>limbo_graph</name>
-  <version>0.0.0</version>
-  <description>An implementation of a graph library.</description>
-  <maintainer email="jpace121@gmail.com">James Pace</maintainer>
-  <license>MPL-2.0</license>
-
-  <buildtool_depend>ament_cargo</buildtool_depend>
-
-  <export>
-    <build_type>ament_cargo</build_type>
-  </export>
-</package>