unpin numpy in lambda layers (#3068)

Author: kukushking

building/lambda/build-lambda-layer.sh

@@ -85,9 +85,6 @@ pushd /aws-sdk-pandas
 
 pip3 install . -t ./python ".[redshift,mysql,postgres,gremlin,opensearch,openpyxl]"
 
-# Install Numpy 1.x because 2.x is not support in layers right now
-pip3 install -t ./python --upgrade "numpy==1.*"
-
 rm -rf python/pyarrow*
 rm -rf python/boto*
 rm -rf python/urllib3*