Enable delete attributes for hsrp resources

Author: danischm

docs/resources/router_hsrp_interface_address_family_ipv4_group_v1.md

@@ -53,6 +53,8 @@ resource "iosxr_router_hsrp_interface_address_family_ipv4_group_v1" "example" {
 - `address_learn` (Boolean) Learn virtual IP address from peer
 - `bfd_fast_detect_peer_interface` (String) Select an interface over which to run BFD
 - `bfd_fast_detect_peer_ipv4` (String) BFD peer interface IPv4 address
+- `delete_mode` (String) Configure behavior when deleting/destroying the resource. Either delete the entire object (YANG container) being managed, or only delete the individual resource attributes configured explicitly and leave everything else as-is. Default value is `all`.
+  - Choices: `all`, `attributes`
 - `device` (String) A device name from the provider configuration.
 - `mac_address` (String) Use specified mac address for the virtual router
 - `name` (String) MGO session name

docs/resources/router_hsrp_interface_address_family_ipv4_group_v2.md

@@ -52,6 +52,8 @@ resource "iosxr_router_hsrp_interface_address_family_ipv4_group_v2" "example" {
 - `address_learn` (Boolean) Learn virtual IP address from peer
 - `bfd_fast_detect_peer_interface` (String) Select an interface over which to run BFD
 - `bfd_fast_detect_peer_ipv4` (String) BFD peer interface IPv4 address
+- `delete_mode` (String) Configure behavior when deleting/destroying the resource. Either delete the entire object (YANG container) being managed, or only delete the individual resource attributes configured explicitly and leave everything else as-is. Default value is `all`.
+  - Choices: `all`, `attributes`
 - `device` (String) A device name from the provider configuration.
 - `mac_address` (String) Use specified mac address for the virtual router
 - `name` (String) MGO session name

gen/definitions/router_hsrp_interface_address_family_ipv4_group_v1.yaml

@@ -1,7 +1,6 @@
 ---
 name: Router HSRP Interface Address Family IPv4 Group V1
 path: Cisco-IOS-XR-um-router-hsrp-cfg:/router/hsrp/interfaces/interface[interface-name=%s]/address-family/ipv4/hsrp/group-number-version-1s/group-number-version-1[group-number-version-1-id=%v]
-no_delete_attributes: true
 doc_category: HSRP
 attributes:
   - yang_name: interface-name

gen/definitions/router_hsrp_interface_address_family_ipv4_group_v2.yaml

@@ -1,7 +1,6 @@
 ---
 name: Router HSRP Interface Address Family IPv4 Group V2
 path: Cisco-IOS-XR-um-router-hsrp-cfg:/router/hsrp/interfaces/interface[interface-name=%s]/address-family/ipv4/hsrp/group-number-version-2s/group-number-version-2[group-number-version-2-id=%v]
-no_delete_attributes: true
 doc_category: HSRP
 attributes:
   - yang_name: interface-name