Remove old kokoro crosscompile scripts (#10355)

build_tools/cmake/build_host_and_riscv.sh

diff --git a/build_tools/cmake/build_host_and_riscv.sh b/build_tools/cmake/build_host_and_riscv.sh
deleted file mode 100755
index 0795b3b..0000000
--- a/build_tools/cmake/build_host_and_riscv.sh
+++ /dev/null
@@ -1,99 +0,0 @@
-#!/bin/bash
-
-# Copyright 2021 The IREE Authors
-#
-# Licensed under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-
-# Cross-compile the IREE project towards RISCV with CMake. Designed for CI,
-# but can be run manually. This uses previously cached build results and does
-# not clear build directories.
-#
-# Host binaries (e.g. compiler tools) will be built and installed in build-host/
-# RISCV binaries (e.g. tests) will be built in build-riscv/.
-
-set -x
-set -e
-
-ROOT_DIR="${ROOT_DIR:-$(git rev-parse --show-toplevel)}"
-CMAKE_BIN="${CMAKE_BIN:-$(which cmake)}"
-RISCV_CONFIG="${RISCV_CONFIG:-rv64}"
-RISCV_COMPILER_FLAGS="${RISCV_COMPILER_FLAGS:--O3}"
-
-"${CMAKE_BIN?}" --version
-ninja --version
-
-cd "${ROOT_DIR?}"
-
-# --------------------------------------------------------------------------- #
-# Build for the host.
-BUILD_HOST_DIR="${BUILD_HOST_DIR:-$ROOT_DIR/build-host}"
-if [[ -d "${BUILD_HOST_DIR?}" ]]; then
-  echo "build-host directory already exists. Will use cached results there."
-else
-  echo "build-host directory does not already exist. Creating a new one."
-  mkdir -p "${BUILD_HOST_DIR?}"
-fi
-
-# Configure, build, install.
-"${CMAKE_BIN?}" -G Ninja -B "${BUILD_HOST_DIR?}" \
-  -DCMAKE_INSTALL_PREFIX="${BUILD_HOST_DIR?}/install" \
-  -DCMAKE_C_COMPILER="${CC:-clang}" \
-  -DCMAKE_CXX_COMPILER="${CXX:-clang++}" \
-  -DIREE_ENABLE_ASSERTIONS=ON \
-  -DIREE_BUILD_COMPILER=ON \
-  -DIREE_BUILD_TESTS=OFF \
-  -DIREE_BUILD_SAMPLES=OFF \
-  "${ROOT_DIR?}"
-"${CMAKE_BIN?}" --build "${BUILD_HOST_DIR?}" --target install -- -k 0
-# --------------------------------------------------------------------------- #
-
-
-# --------------------------------------------------------------------------- #
-# Build for the target (riscv).
-BUILD_RISCV_DIR="${BUILD_RISCV_DIR:-$ROOT_DIR/build-riscv}"
-if [[ -d "${BUILD_RISCV_DIR?}" ]]; then
-  echo "build-riscv directory already exists. Will use cached results there."
-else
-  echo "build-riscv directory does not already exist. Creating a new one."
-  mkdir -p "${BUILD_RISCV_DIR?}"
-fi
-
-echo "Build riscv target with the config of ${RISCV_CONFIG?}"
-declare -a args
-args=(
-  "-G" "Ninja"
-  "-B" "${BUILD_RISCV_DIR?}"
-  -DCMAKE_TOOLCHAIN_FILE="$(realpath ${ROOT_DIR?}/build_tools/cmake/riscv.toolchain.cmake)"
-  -DIREE_HOST_BINARY_ROOT="$(realpath ${BUILD_HOST_DIR?}/install)"
-  -DRISCV_CPU="${RISCV_CONFIG?}"
-  -DRISCV_COMPILER_FLAGS="${RISCV_COMPILER_FLAGS?}"
-  -DIREE_ENABLE_ASSERTIONS=ON
-  -DIREE_BUILD_COMPILER=OFF
-  -DIREE_BUILD_SAMPLES=ON
-  -DIREE_ENABLE_CPUINFO=OFF
-)
-
-if [[ "${RISCV_CONFIG?}" == "rv64" ]]; then
-  args+=(
-    -DRISCV_TOOLCHAIN_ROOT="${RISCV_RV64_LINUX_TOOLCHAIN_ROOT?}"
-  )
-elif [[ "${RISCV_CONFIG?}" == "rv32-baremetal" ]]; then
-  args+=(
-    # TODO(#6353): Off until tools/ are refactored to support threadless config.
-    -DIREE_BUILD_TESTS=OFF
-    -DRISCV_TOOLCHAIN_ROOT="${RISCV_RV32_NEWLIB_TOOLCHAIN_ROOT?}"
-  )
-else
-  echo "riscv config not supported yet"
-  return -1
-fi
-
-args_str=$(IFS=' ' ; echo "${args[*]}")
-"${CMAKE_BIN?}" ${args_str} "${ROOT_DIR?}"
-"${CMAKE_BIN?}" --build "${BUILD_RISCV_DIR?}" -- -k 0
-
-if [[ "${RISCV_CONFIG?}" == "rv64" ]]; then
-  "${CMAKE_BIN?}" --build "${BUILD_RISCV_DIR?}" --target iree-test-deps -- -k 0
-fi