updates aws profile init to use inputs instead of attributes

Signed-off-by: Collin McNeese <cmcneese@chef.io>

lib/plugins/inspec-init/templates/profiles/aws/attributes.yml

@@ -1,2 +0,0 @@
-# Below is to be uncommented and set with your AWS Custom VPC ID:
-# aws_vpc_id: 'vpc-xxxxxxx'

lib/plugins/inspec-init/templates/profiles/aws/controls/example.rb

@@ -2,11 +2,11 @@
 
 title "Sample Section"
 
-aws_vpc_id = attribute("aws_vpc_id", default: "", description: "Optional AWS VPC identifier.")
+aws_vpc_id = input("aws_vpc_id")
 
 # You add controls here
-control "aws-single-vpc-exists-check" do # A unique ID for this control.
-  only_if { aws_vpc_id != "" } # Only run this control if the `aws_vpc_id` attribute is provided.
+control "aws-single-vpc-exists-check" do                                    # A unique ID for this control.
+  only_if { aws_vpc_id != "" }                                              # Only run this control if the `aws_vpc_id` input is provided.
   impact 1.0                                                                # The criticality, if this control fails.
   title "Check to see if custom VPC exists."                                # A human-readable title.
   describe aws_vpc(aws_vpc_id) do                                           # The test itself.

lib/plugins/inspec-init/templates/profiles/aws/inspec.yml

@@ -7,14 +7,13 @@ license: Apache-2.0
 summary: An InSpec Compliance Profile For AWS
 version: 0.1.0
 inspec_version: '~> 4'
-attributes:
+inputs:
 - name: aws_vpc_id
   required: false
   # Below is deliberately left as a default empty string to allow the profile to run when this is not provided.
   # Please see the README for more details.
-  default: ''
+  value: ''
   description: 'Optional Custom AWS VPC Id'
-  type: string
 depends:
   - name: inspec-aws
     url: https://github.com/inspec/inspec-aws/archive/master.tar.gz