talks: delete the old present package.

Change-Id: I70cc8e97c0e62a97d068815228da02477804f108
Reviewed-on: https://go-review.googlesource.com/1242
Reviewed-by: Andrew Gerrand <adg@golang.org>

present/moved.go

diff --git a/present/moved.go b/present/moved.go
deleted file mode 100644
index a9b2cdd..0000000
--- a/present/moved.go
+++ /dev/null
@@ -1,22 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-)
-
-const moved = `
-
-The present tool has moved to the Go tools repository.
-
-Please install it from its new location:
-
-	go get golang.org/x/tools/cmd/present
-
-
-`
-
-func main() {
-	fmt.Print(moved)
-	os.Exit(1)
-}