vendor: remove unused file like shell scripts

vendor/google.golang.org/grpc/AUTHORS

@@ -1 +0,0 @@
-Google Inc.

vendor/google.golang.org/grpc/Makefile

@@ -1,45 +0,0 @@
-all: test testrace
-
-deps:
-	go get -d -v google.golang.org/grpc/...
-
-updatedeps:
-	go get -d -v -u -f google.golang.org/grpc/...
-
-testdeps:
-	go get -d -v -t google.golang.org/grpc/...
-
-updatetestdeps:
-	go get -d -v -t -u -f google.golang.org/grpc/...
-
-build: deps
-	go build google.golang.org/grpc/...
-
-proto:
-	@ if ! which protoc > /dev/null; then \
-		echo "error: protoc not installed" >&2; \
-		exit 1; \
-	fi
-	go generate google.golang.org/grpc/...
-
-test: testdeps
-	go test -cpu 1,4 -timeout 5m google.golang.org/grpc/...
-
-testrace: testdeps
-	go test -race -cpu 1,4 -timeout 7m google.golang.org/grpc/...
-
-clean:
-	go clean -i google.golang.org/grpc/...
-
-.PHONY: \
-	all \
-	deps \
-	updatedeps \
-	testdeps \
-	updatetestdeps \
-	build \
-	proto \
-	test \
-	testrace \
-	clean \
-	coverage

vendor/google.golang.org/grpc/codegen.sh

@@ -1,17 +0,0 @@
-#!/usr/bin/env bash
-
-# This script serves as an example to demonstrate how to generate the gRPC-Go
-# interface and the related messages from .proto file.
-#
-# It assumes the installation of i) Google proto buffer compiler at
-# https://github.com/google/protobuf (after v2.6.1) and ii) the Go codegen
-# plugin at https://github.com/golang/protobuf (after 2015-02-20). If you have
-# not, please install them first.
-#
-# We recommend running this script at $GOPATH/src.
-#
-# If this is not what you need, feel free to make your own scripts. Again, this
-# script is for demonstration purpose.
-#
-proto=$1
-protoc --go_out=plugins=grpc:. $proto

vendor/google.golang.org/grpc/vet.sh

@@ -1,84 +0,0 @@
-#!/bin/bash
-
-set -ex  # Exit on error; debugging enabled.
-set -o pipefail  # Fail a pipe if any sub-command fails.
-
-die() {
-  echo "$@" >&2
-  exit 1
-}
-
-PATH="$GOPATH/bin:$GOROOT/bin:$PATH"
-
-# Check proto in manual runs or cron runs.
-if [[ "$TRAVIS" != "true" || "$TRAVIS_EVENT_TYPE" = "cron" ]]; then
-  check_proto="true"
-fi
-
-if [ "$1" = "-install" ]; then
-  go get -d \
-    google.golang.org/grpc/...
-  go get -u \
-    github.com/golang/lint/golint \
-    golang.org/x/tools/cmd/goimports \
-    honnef.co/go/tools/cmd/staticcheck \
-    github.com/client9/misspell/cmd/misspell \
-    github.com/golang/protobuf/protoc-gen-go
-  if [[ "$check_proto" = "true" ]]; then
-    if [[ "$TRAVIS" = "true" ]]; then
-      PROTOBUF_VERSION=3.3.0
-      PROTOC_FILENAME=protoc-${PROTOBUF_VERSION}-linux-x86_64.zip
-      pushd /home/travis
-      wget https://github.com/google/protobuf/releases/download/v${PROTOBUF_VERSION}/${PROTOC_FILENAME}
-      unzip ${PROTOC_FILENAME}
-      bin/protoc --version
-      popd
-    elif ! which protoc > /dev/null; then
-      die "Please install protoc into your path"
-    fi
-  fi
-  exit 0
-elif [[ "$#" -ne 0 ]]; then
-  die "Unknown argument(s): $*"
-fi
-
-# TODO: Remove this check and the mangling below once "context" is imported
-# directly.
-if git status --porcelain | read; then
-  die "Uncommitted or untracked files found; commit changes first"
-fi
-
-git ls-files "*.go" | xargs grep -L "\(Copyright [0-9]\{4,\} gRPC authors\)\|DO NOT EDIT" 2>&1 | tee /dev/stderr | (! read)
-gofmt -s -d -l . 2>&1 | tee /dev/stderr | (! read)
-goimports -l . 2>&1 | tee /dev/stderr | (! read)
-golint ./... 2>&1 | (grep -vE "(_mock|\.pb)\.go:" || true) | tee /dev/stderr | (! read)
-
-# Undo any edits made by this script.
-cleanup() {
-  git reset --hard HEAD
-}
-trap cleanup EXIT
-
-# Rewrite golang.org/x/net/context -> context imports (see grpc/grpc-go#1484).
-# TODO: Remove this mangling once "context" is imported directly (grpc/grpc-go#711).
-git ls-files "*.go" | xargs sed -i 's:"golang.org/x/net/context":"context":'
-set +o pipefail
-# TODO: Stop filtering pb.go files once golang/protobuf#214 is fixed.
-go tool vet -all . 2>&1 | grep -vE '(clientconn|transport\/transport_test).go:.*cancel (function|var)' | grep -vF '.pb.go:' | tee /dev/stderr | (! read)
-set -o pipefail
-git reset --hard HEAD
-
-if [[ "$check_proto" = "true" ]]; then
-  PATH="/home/travis/bin:$PATH" make proto && \
-    git status --porcelain 2>&1 | (! read) || \
-    (git status; git --no-pager diff; exit 1)
-fi
-
-# TODO(menghanl): fix errors in transport_test.
-staticcheck -ignore '
-google.golang.org/grpc/transport/transport_test.go:SA2002
-google.golang.org/grpc/benchmark/benchmain/main.go:SA1019
-google.golang.org/grpc/stats/stats_test.go:SA1019
-google.golang.org/grpc/test/end2end_test.go:SA1019
-' ./...
-misspell -error .