Update lambda layer build scripts.

Author: igorborgest

building/lambda/Dockerfile

@@ -18,6 +18,9 @@ ADD requirements.txt /root/
 RUN pip3 install -r /root/requirements.txt
 
 ADD requirements-dev.txt /root/
+# Removing "-e ." installation
+RUN head -n -2 /root/requirements-dev.txt > /root/temp.txt
+RUN mv /root/temp.txt /root/requirements-dev.txt
 RUN pip3 install -r /root/requirements-dev.txt
 
 RUN rm -rf /root/requirements*

building/lambda/build-lambda-layer.sh

@@ -14,7 +14,7 @@ export ARROW_HOME=$(pwd)/dist
 export LD_LIBRARY_PATH=$(pwd)/dist/lib:$LD_LIBRARY_PATH
 
 git clone \
-  --branch apache-arrow-1.0.1 \
+  --branch apache-arrow-2.0.0 \
   --single-branch \
   https://github.com/apache/arrow.git