chore: sam now installed on evg

Author: durran

.evergreen/run-deployed-lambda-aws-tests.sh

@@ -1,10 +1,4 @@
 #!/bin/bash
 set -o errexit  # Exit the script with error if any of the commands fail
 
-# TODO(BUILD-16902): Install SAM on Evergreen boxes.
-curl -L https://github.com/aws/aws-sam-cli/releases/latest/download/aws-sam-cli-linux-x86_64.zip -o aws-sam-cli-linux-x86_64.zip
-unzip aws-sam-cli-linux-x86_64.zip -d sam-installation
-sudo ./sam-installation/install
-sam --version
-
 . ${DRIVERS_TOOLS}/.evergreen/run-deployed-lambda-aws-tests.sh