[ci-nerves] updated ci

Author: cocoa-xu

.github/workflows/nerves-build.yml

@@ -199,10 +199,6 @@ jobs:
 
           export MIX_TARGET=${{ matrix.pair.target }}
           export TFLITE_BEAM_CORAL_LIBEDGETPU_LIBRARIES=${{ matrix.pair.libedgetpu_library }}
-          export TFLITE_BEAM_PREFER_PRECOMPILED=true
-          if [ "${TFLITE_BEAM_CORAL_LIBEDGETPU_LIBRARIES}" = "armv6" ]; then
-            export TFLITE_BEAM_PREFER_PRECOMPILED=false
-          fi
 
           mix deps.get 1>/dev/null 2>&1
           cp -a ../tflite_elixir/notebooks                        ./priv/tflite_examples