Removed unused key ingress_settings in function_config (#463)

Co-authored-by: apichick <apichick@google.com>
Co-authored-by: Ludovico Magnocavallo <ludomagno@google.com>

modules/cloud-function/variables.tf

@@ -52,20 +52,18 @@ variable "environment_variables" {
 variable "function_config" {
   description = "Cloud function configuration."
   type = object({
-    entry_point      = string
-    ingress_settings = string
-    instances        = number
-    memory           = number
-    runtime          = string
-    timeout          = number
+    entry_point = string
+    instances   = number
+    memory      = number
+    runtime     = string
+    timeout     = number
   })
   default = {
-    entry_point      = "main"
-    ingress_settings = null
-    instances        = 1
-    memory           = 256
-    runtime          = "python37"
-    timeout          = 180
+    entry_point = "main"
+    instances   = 1
+    memory      = 256
+    runtime     = "python37"
+    timeout     = 180
   }
 }