Update devcontainer to use aws-cli feature

Author: sktan

.devcontainer/devcontainer.json

@@ -29,12 +29,8 @@
             "version": "latest",
             "moby": true
         },
-        // Used for AWS CLI (currently interferes with my gpg commits due to a bug)
-        // https://github.com/microsoft/vscode-dev-containers/pull/1391
-        // Comments will be removed once ^ has been merged
-        // "aws-cli": {
-        //     "version": "lts",
-        // },
+        // Used for AWS CLI
+        "aws-cli": "latest",
         // Testing out the proxy mechanism and for deploying via CDK
         "python": {
             "version": "lts",

.devcontainer/post_create.sh

@@ -1,13 +1,4 @@
 #!/usr/bin/env bash
 
-# Install x86 or ARM version of awscliv2 based on current machine architecture
-if [[ "$(uname -m)" == "x86_64" ]]; then
-  curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "/tmp/awscliv2.zip"
-else
-  curl "https://awscli.amazonaws.com/awscli-exe-linux-aarch64.zip" -o "/tmp/awscliv2.zip"
-fi
-unzip /tmp/awscliv2.zip -d /tmp/awscliv2
-/tmp/awscliv2/aws/install && rm -rf /tmp/awscliv2*
-
 npm install -g aws-cdk
 pip install pre-commit