Remove bind_lambda.h include directive.

Thanks to libchrome uprev, bind_lambda.h is no longer needed.
bind_lambda.h will be removed in upstream (Chrome OS repo),
after this CL is rolled into Chrome OS.

Bug: 121187572
Test: Treehugger.
Change-Id: Ifd7a89ad109dd09dc922e1cb749fab003e32cd2c
diff --git a/omaha_request_action_unittest.cc b/omaha_request_action_unittest.cc
index 1e0ad6d..019b723 100644
--- a/omaha_request_action_unittest.cc
+++ b/omaha_request_action_unittest.cc
@@ -31,7 +31,6 @@
 #include <base/strings/string_util.h>
 #include <base/strings/stringprintf.h>
 #include <base/time/time.h>
-#include <brillo/bind_lambda.h>
 #include <brillo/message_loops/fake_message_loop.h>
 #include <brillo/message_loops/message_loop.h>
 #include <brillo/message_loops/message_loop_utils.h>
diff --git a/update_attempter_android.cc b/update_attempter_android.cc
index 68aa775..abb4545 100644
--- a/update_attempter_android.cc
+++ b/update_attempter_android.cc
@@ -25,7 +25,6 @@
 #include <base/bind.h>
 #include <base/logging.h>
 #include <base/strings/string_number_conversions.h>
-#include <brillo/bind_lambda.h>
 #include <brillo/data_encoding.h>
 #include <brillo/message_loops/message_loop.h>
 #include <brillo/strings/string_utils.h>