delete unused build.sh

build.sh

@@ -1,13 +0,0 @@
-#! /bin/sh
-
-set -xe
-
-CC="gcc"
-FLAGS="-Wall -ggdb"
-SRCS="$(find ./src -type f -name "*.c")"
-CURRENT_DIR="$(git rev-parse --show-toplevel)"
-BUILD_DIR="${CURRENT_DIR}/build"
-
-mkdir -p ${BUILD_DIR}
-
-${CC} ${FLAGS} -o ${BUILD_DIR}/cdo ${SRCS}