Remove quotes for type constraints

variables.tf

@@ -2,18 +2,18 @@
 
 variable tags {
     description = "Different tag values which should be assigned to AWS resources created via Terraform)"
-    type = "map"
+    type = map
 }
 
 # AWS Regions / Zones
 
 variable aws_region {
-  type = "string"
+  type = string
   description = "AWS region which should be used"
 }
 
 variable aws_zones {
-  type = "list"
+  type = list
   description = "AWS AZs (Availability zones) where subnets should be created"
 }
 
@@ -21,7 +21,7 @@ variable aws_zones {
 
 variable private_subnets {
   description = "Create both private and public subnets"
-  type = "string"
+  type = string
   default = "false"
 }
 
@@ -29,12 +29,12 @@ variable private_subnets {
 
 variable vpc_name {
   description = "Name of the VPC"
-  type = "string"
+  type = string
 }
 
 # Network details (Change this only if you know what you are doing or if you think you are lucky)
 
 variable vpc_cidr {
-  type = "string"
+  type = string
   description = "CIDR of the VPC"
 }