Bazel: Rename WORKSPACE.in to WORKSPACE as MACHINE_ARCH is removed.

.gitignore

 # Bazel
 bazel-*
-WORKSPACE
 
 # Temporary files
 *.pyc

apollo.sh

@@ -63,13 +63,7 @@ function apollo_check_system_config() {
 function check_machine_arch() {
   # the machine type, currently support x86_64, aarch64
   MACHINE_ARCH=$(uname -m)
-
-  # Generate WORKSPACE file based on marchine architecture
-  if [ "$MACHINE_ARCH" == 'x86_64' ]; then
-    sed "s/MACHINE_ARCH/x86_64/g" WORKSPACE.in > WORKSPACE
-  elif [ "$MACHINE_ARCH" == 'aarch64' ]; then
-    sed "s/MACHINE_ARCH/aarch64/g" WORKSPACE.in > WORKSPACE
-  else
+  if [ "${MACHINE_ARCH}" != "x86_64" ] && [ "${MACHINE_ARCH}" != "aarch64" ]; then
     fail "Unknown machine architecture $MACHINE_ARCH"
     exit 1
   fi