Update build_esp32.yml

Author: mocleiri

.github/workflows/build_esp32.yml

@@ -57,20 +57,10 @@ jobs:
         #        if: steps.cache-esp-idf.outputs.cache-hit != 'true'
         run: |
           source /__w/tensorflow-micropython-examples/tensorflow-micropython-examples/micropython/tools/ci.sh && ci_esp32_setup_helper v4.3.1
-    #  - name: Cache tflm
-     #   id: cache-tflm
-      #  uses: actions/cache@v2
-       # env:
-       #   cache-name: cache-tflm
-      #  with:
-        #  path: ./micropython-modules/microlite/tflm
-        #  key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ env.tflm-commit }}
+    
       - name: Setup Build for Tensorflow
 #        if: steps.cache-tflm.outputs.cache-hit != 'true'
         run: |
-    #      cd  /__w/tensorflow-micropython-examples/tensorflow-micropython-examples
-          # source ./esp-idf/export.sh
-
           pip3 install Pillow
           pip3 install Wave