chore(lambda): invalid python sample code generated (#13036)

jsii-rosettta has a bug which renders invalid python when a newline is included in a string literal. Remove that string literal for now.

Fixes #13035


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*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

packages/@aws-cdk/aws-lambda/test/integ.autoscaling.lit.expected.json

@@ -35,7 +35,7 @@
       "Type": "AWS::Lambda::Function",
       "Properties": {
         "Code": {
-          "ZipFile": "exports.handler = async () => {\nconsole.log('hello world');\n};"
+          "ZipFile": "exports.handler = async () => { console.log('hello world'); };"
         },
         "Handler": "index.handler",
         "Role": {
@@ -161,4 +161,4 @@
       }
     }
   }
-}
+}

packages/@aws-cdk/aws-lambda/test/integ.autoscaling.lit.ts

@@ -12,7 +12,7 @@ class TestStack extends cdk.Stack {
     super(scope, id);
 
     const fn = new lambda.Function(this, 'MyLambda', {
-      code: new lambda.InlineCode('exports.handler = async () => {\nconsole.log(\'hello world\');\n};'),
+      code: new lambda.InlineCode('exports.handler = async () => { console.log(\'hello world\'); };'),
       handler: 'index.handler',
       runtime: lambda.Runtime.NODEJS_10_X,
     });
@@ -50,4 +50,4 @@ const app = new cdk.App();
 
 new TestStack(app, 'aws-lambda-autoscaling');
 
-app.synth();
+app.synth();