fix: zip structure for layer (#36)

* fix zip structure for layer

Author: Alexander Melnyk

layer/Dockerfile

@@ -16,8 +16,4 @@ WORKDIR /tmp
 
 RUN yum update -y && yum install -y zip unzip wget tar gzip
 
-RUN pip install -t /python aws-lambda-powertools$PACKAGE_SUFFIX
-
-
-RUN mkdir -p /asset
-RUN zip -qr /asset/layer.zip /python --exclude \*/tests/\* \*/doc/\* \*/__pycache__/\* \*.pyc
+RUN pip install -t /asset/python aws-lambda-powertools$PACKAGE_SUFFIX