[gtk+] Remove outdated text from README.in

[Matthias Clasen <matthiasc src gnome org>]

commit d7f18ddad90e2740d019b3b87fa81688db186f49
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jul 10 22:29:50 2009 -0400

    Remove outdated text from README.in
    
    The PATCH and API keywords are no longer in use. Pointed out in 588229.

 README.in |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)
---
diff --git a/README.in b/README.in
index 3e2d7da..4fb2417 100644
--- a/README.in
+++ b/README.in
@@ -427,8 +427,4 @@ report.
 Otherwise, enter a new bug report that describes the patch, and attach
 the patch to that bug report.
 
-Bug reports containing patches should include the PATCH keyword in their
-keyword fields. If the patch adds to or changes the GTK+ programming
-interface, the API keyword should also be included.
-  
-Patches should be in unified diff form. (The -u option to GNU diff.)
+Patches should be in unified diff form. (The -up option to GNU diff.)