Fix open264 benchmark (#1935)

Author: jonathanmetzman

benchmarks/openh264_decoder_fuzzer/build.sh

@@ -15,11 +15,6 @@
 #
 ################################################################################
 
-# prepare corpus
-svn export https://github.com/mozillasecurity/fuzzdata.git/trunk/samples/h264 corpus/
-mv ./res/*.264 ./corpus/
-zip -j0r ${OUT}/decoder_fuzzer_seed_corpus.zip ./corpus/
-
 # build
 if [[ $CXXFLAGS = *sanitize=memory* ]]; then
   ASM_BUILD=No