fix(python): remove jmespath dependency (#8)

Author: rubenfonseca

layer/Python/Dockerfile

@@ -19,10 +19,10 @@ RUN cd /asset && \
   # remove boto3 and botocore (already available in Lambda Runtime)
   rm -rf python/boto* && \
   # remove boto3 dependencies
-  rm -rf python/s3transfer* python/*dateutil* python/urllib3* python/six* && \
+  rm -rf python/s3transfer* python/*dateutil* python/urllib3* python/six* python/jmespath* && \
   # remove debugging symbols
   find python -name '*.so' -type f -exec strip "{}" \; && \
   # remove tests
   find python -wholename "*/tests/*" -type f -delete && \
   # remove python bytecode
-  find python -regex '^.*\(__pycache__\|\.py[co]\)$' -delete
+  find python -regex '^.*\(__pycache__\|\.py[co]\)$' -delete