remove redundant words in assembly summary

Author: Adimote

kit/assembly.md

@@ -6,7 +6,7 @@ title: Kit Assembly
 Kit Assembly
 ============
 
-The Student Robotics kit contains a number of separate modules which must be connected together to be usable to control your robot. Below is a diagram of what your assembled kit should look like.
+The Student Robotics kit contains a number of separate modules which must be connected together control your robot. Below is a diagram of what your assembled kit should look like.
 
 ![Diagram of the kit assembly]({{ site.baseurl }}/images/content/kit/kit_assembly.png)