CEC-381 Fix install progress (#77)

* Fix install progress

* Remove unused components and inline styles

* Update test

* errors are not the final update state

* Remove max width for main container

* Progress starts at 0

src/components/SSOForm/__snapshots__/SSOForm.test.js.snap

@@ -3,8 +3,7 @@
 exports[`Sign In Form Should render 1`] = `
 <div>
   <div
-    class="makeStyles-paper-3"
-    style="justify-content: center;"
+    class="makeStyles-paper-3 makeStyles-textJustifyAlign-48"
   >
     <a
       aria-disabled="false"