2015/state-of-go: avoid American circumlocution

Change-Id: I0c519311394ba155cbc9ebc8b5923063073a8ed9
Reviewed-on: https://go-review.googlesource.com/4911
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
diff --git a/2015/state-of-go.slide b/2015/state-of-go.slide
index 2dfac6a..cac04d7 100644
--- a/2015/state-of-go.slide
+++ b/2015/state-of-go.slide
@@ -1,6 +1,5 @@
 The State of Go
-Where we're at in February 2015
-1 Feb 2015
+Where we are in February 2015
 
 Andrew Gerrand
 adg@golang.org