Promotes custom ranges field to GA (#15943)

Author: YashTayal04

mmv1/products/compute/InterconnectAttachment.yaml

@@ -69,7 +69,6 @@ examples:
       interconnect_attachment_name: 'test-custom-ranges-interconnect-attachment'
       router_name: 'test-router'
       network_name: 'test-network'
-    min_version: beta
 parameters:
   - name: 'region'
     type: ResourceRef
@@ -367,28 +366,24 @@ properties:
       Single IPv4 address + prefix length to be configured on the cloud router interface for this
       interconnect attachment. Example: 203.0.113.1/29
     immutable: true
-    min_version: beta
   - name: 'candidateCustomerRouterIpAddress'
     type: String
     description: |
       Single IPv4 address + prefix length to be configured on the customer router interface for this
       interconnect attachment. Example: 203.0.113.2/29
     immutable: true
-    min_version: beta
   - name: 'candidateCloudRouterIpv6Address'
     type: String
     description: |
       Single IPv6 address + prefix length to be configured on the cloud router interface for this
       interconnect attachment. Example: 2001:db8::1/125
     immutable: true
-    min_version: beta
   - name: 'candidateCustomerRouterIpv6Address'
     type: String
     description: |
       Single IPv6 address + prefix length to be configured on the customer router interface for this
       interconnect attachment. Example: 2001:db8::2/125
     immutable: true
-    min_version: beta
   - name: 'attachmentGroup'
     type: String
     description: |

mmv1/templates/terraform/examples/compute_interconnect_attachment_custom_ranges.tf.tmpl

@@ -10,7 +10,6 @@ resource "google_compute_interconnect_attachment" "{{$.PrimaryResourceId}}" {
   candidate_customer_router_ip_address   = "192.169.0.2/29"
   candidate_cloud_router_ipv6_address    = "748d:2f23:6651:9455:828b:ca81:6fe0:fed1/125"
   candidate_customer_router_ipv6_address = "748d:2f23:6651:9455:828b:ca81:6fe0:fed2/125"
-  provider                               = google-beta
 }
 
 resource "google_compute_router" "foobar" {
@@ -19,11 +18,9 @@ resource "google_compute_router" "foobar" {
   bgp {
     asn = 16550
   }
-  provider = google-beta
 }
 
 resource "google_compute_network" "foobar" {
   name                    = "{{index $.Vars "network_name"}}"
   auto_create_subnetworks = false
-  provider                = google-beta
 }