fix: remove env from generated infra sample code (#734)

Author: agdimech

packages/infrastructure/samples/infrastructure/java/src/java/groupId/Main.java.mustache

@@ -19,21 +19,14 @@ import {{{groupId}}}.stacks.ApplicationStack;
 import java.util.Arrays;
 
 import software.amazon.awscdk.App;
-import software.amazon.awscdk.Environment;
-import software.amazon.awscdk.StackProps;
 
 public class Main {
   public static void main(final String[] args) {
     App app = PDKNag.app(PDKNagAppProps.builder()
         .nagPacks(Arrays.asList(new AwsPrototypingChecks()))
         .build());
 
-    new ApplicationStack(app, "{{{stackName}}}", StackProps.builder()
-        .env(Environment.builder()
-            .account(System.getenv("CDK_DEFAULT_ACCOUNT"))
-            .region(System.getenv("CDK_DEFAULT_REGION"))
-            .build())
-        .build());
+    new ApplicationStack(app, "{{{stackName}}}");
 
     CdkGraph graph = new CdkGraph(app, ICdkGraphProps.builder()
         .plugins(Arrays.asList(

packages/infrastructure/samples/infrastructure/python/src/main.py.mustache

@@ -1,19 +1,12 @@
 import os
-from aws_cdk import Environment
 from aws_pdk.cdk_graph import CdkGraph, FilterPreset, Filters, IFilter, IGraphFilterPlan
 from aws_pdk.cdk_graph_plugin_diagram import CdkGraphDiagramPlugin, IDiagramConfigBase
 from aws_pdk.cdk_graph_plugin_threat_composer import CdkGraphThreatComposerPlugin
 from aws_pdk.pdk_nag import PDKNag, AwsPrototypingChecks
 from {{{moduleName}}}.stacks.application_stack import ApplicationStack
 
-# for development, use account/region from cdk cli
-dev_env = Environment(
-  account=os.getenv('CDK_DEFAULT_ACCOUNT'),
-  region=os.getenv('CDK_DEFAULT_REGION')
-)
-
 app = PDKNag.app(nag_packs=[AwsPrototypingChecks()])
-ApplicationStack(app, "{{{stackName}}}", env=dev_env)
+ApplicationStack(app, "{{{stackName}}}")
 
 graph = CdkGraph(app, plugins=[
     CdkGraphDiagramPlugin(

packages/infrastructure/samples/infrastructure/typescript/src/main.ts.mustache

@@ -4,19 +4,13 @@ import { CdkGraphThreatComposerPlugin } from "@aws/pdk/cdk-graph-plugin-threat-c
 import { AwsPrototypingChecks, PDKNag } from "@aws/pdk/pdk-nag";
 import { ApplicationStack } from "./stacks/application-stack";
 
-// for development, use account/region from cdk cli
-const devEnv = {
-  account: process.env.CDK_DEFAULT_ACCOUNT,
-  region: process.env.CDK_DEFAULT_REGION,
-};
-
 /* eslint-disable @typescript-eslint/no-floating-promises */
 (async () => {
   const app = PDKNag.app({
     nagPacks: [new AwsPrototypingChecks()],
   });
 
-  new ApplicationStack(app, "{{{stackName}}}", { env: devEnv });
+  new ApplicationStack(app, "{{{stackName}}}");
 
   const graph = new CdkGraph(app, {
     plugins: [