docs: remove trailing white space from jd files

Change-Id: Id7fb958460bf2f28d88c6120df0395690f32783a
diff --git a/docs/html/training/building-userinfo.jd b/docs/html/training/building-userinfo.jd
index 40e5b94..a08899d 100644
--- a/docs/html/training/building-userinfo.jd
+++ b/docs/html/training/building-userinfo.jd
@@ -4,6 +4,6 @@
 @jd:body
 
 
-<p>These lessons teach you how to include contact information and authenticate users with the same 
-credentials they use for Google. These features allow your app to connect users with people they 
+<p>These lessons teach you how to include contact information and authenticate users with the same
+credentials they use for Google. These features allow your app to connect users with people they
 care about and provide a personalized experience without creating new user accounts.</p>