Reverts third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/csharp/build_tools.sh

Index: third_party/protobuf/csharp/build_tools.sh
diff --git a/third_party/protobuf/csharp/build_tools.sh b/third_party/protobuf/csharp/build_tools.sh
deleted file mode 100755
index 182c5c5c82eab8c0b70c4b975d6c245afb542776..0000000000000000000000000000000000000000
--- a/third_party/protobuf/csharp/build_tools.sh
+++ /dev/null
@@ -1,52 +0,0 @@
-#!/bin/bash
-
-if [ $# -ne 1 ]; then
-  cat <<EOF
-Usage: $0 <VERSION_NUMBER>
-
-Example:
-  $ $0 3.0.0
-
-This script will download pre-built protoc binaries from maven repository and
-create the Google.Protobuf.Tools package. Well-known type .proto files will also
-be included.
-EOF
-  exit 1
-fi
-
-VERSION_NUMBER=$1
-# <directory name> <binary file name> pairs.
-declare -a FILE_NAMES=(          \
-  windows_x86 windows-x86_32.exe \
-  windows_x64 windows-x86_64.exe \
-  macosx_x86  osx-x86_32.exe     \
-  macosx_x64  osx-x86_64.exe     \
-  linux_x86   linux-x86_32.exe   \
-  linux_x64   linux-x86_64.exe   \
-)
-
-set -e
-
-mkdir -p protoc
-# Create a zip file for each binary.
-for((i=0;i<${#FILE_NAMES[@]};i+=2));do
-  DIR_NAME=${FILE_NAMES[$i]}
-  mkdir -p protoc/$DIR_NAME
-
-  if [ ${DIR_NAME:0:3} = "win" ]; then
-    TARGET_BINARY="protoc.exe"
-  else
-    TARGET_BINARY="protoc"
-  fi
-
-  BINARY_NAME=${FILE_NAMES[$(($i+1))]}
-  BINARY_URL=http://repo1.maven.org/maven2/com/google/protobuf/protoc/${VERSION_NUMBER}/protoc-${VERSION_NUMBER}-${BINARY_NAME}
-
-  if ! wget ${BINARY_URL} -O protoc/$DIR_NAME/$TARGET_BINARY &> /dev/null; then
-    echo "[ERROR] Failed to download ${BINARY_URL}" >&2
-    echo "[ERROR] Skipped $protoc-${VERSION_NAME}-${DIR_NAME}" >&2
-    continue
-  fi
-done
-
-nuget pack Google.Protobuf.Tools.nuspec