ref-manual: Edits to deploy class.

(From yocto-docs rev: acfc4b8f19dd1436966ab85d283a15855a0e6755)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/ref-manual/ref-classes.xml

@@ -498,7 +498,7 @@
     <title><filename>deploy.bbclass</filename></title>
 
     <para>
-        The Deploy (<filename>deploy</filename>) class handles deploying files
+        The <filename>deploy</filename> class handles deploying files
         to the
         <link linkend='var-DEPLOY_DIR_IMAGE'><filename>DEPLOY_DIR_IMAGE</filename></link>
         directory.