Revert of Roll opus to opus-HEAD-66611f1.

third_party/opus/opus_srcs_mips.gypi

Index: third_party/opus/opus_srcs_mips.gypi
diff --git a/third_party/opus/opus_srcs_mips.gypi b/third_party/opus/opus_srcs_mips.gypi
deleted file mode 100644
index 68f4f1470b9f854c2811fbea7bdda63e9969cd42..0000000000000000000000000000000000000000
--- a/third_party/opus/opus_srcs_mips.gypi
+++ /dev/null
@@ -1,21 +0,0 @@
-# Copyright 2015 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-{
-  'sources': [
-    'src/celt/mips/celt_mipsr1.h',
-    'src/celt/mips/fixed_generic_mipsr1.h',
-    'src/celt/mips/kiss_fft_mipsr1.h',
-    'src/celt/mips/mdct_mipsr1.h',
-    'src/celt/mips/pitch_mipsr1.h',
-    'src/celt/mips/vq_mipsr1.c',
-    'src/celt/mips/vq_mipsr1.h',
-    'src/silk/fixed/mips/noise_shape_analysis_FIX_mipsr1.h',
-    'src/silk/fixed/mips/prefilter_FIX_mipsr1.h',
-    'src/silk/fixed/mips/warped_autocorrelation_FIX_mipsr1.h',
-    'src/silk/mips/NSQ_del_dec_mipsr1.h',
-    'src/silk/mips/macros_mipsr1.h',
-    'src/silk/mips/sigproc_fix_mipsr1.h',
-  ],
-}