Update documenation links for community plugins (#11613)

* Remove plugin docs bering remoted ingested from community list

* Update plugin link

website/content/partials/builders/community_builders.mdx

@@ -9,10 +9,6 @@
 
 - [Huawei Cloud ECS builder](https://github.com/huaweicloud/packer-builder-huaweicloud-ecs) - Plugin for creating [Huawei Cloud ECS](https://www.huaweicloud.com/intl/en-us/) images.
 
-- [UpCloud builder](https://github.com/UpCloudLtd/packer-plugin-upcloud) - A suite of Packer plugins for provisioning Upcloud servers.
-
-- [Vultr builder](https://github.com/vultr/packer-builder-vultr) - A builder for creating [Vultr](https://www.vultr.com/) snapshots.
-
 - [Citrix XenServer/Citrix Hypervisor](https://github.com/xenserver/packer-builder-xenserver) - Plugin for creating [Citrix XenServer/Citrix Hypervisor](https://xenserver.org/) images from an iso image or from an existing template.
 
-- [XCP-NG/Citrix XenServer/Citrix Hypervisor/Updated Fork](https://github.com/ddelnano/packer-plugin-xenserver) - Plugin for creating [XCP-NG/Citrix XenServer/Citrix Hypervisor](https://xcp-ng.org/) images from an iso image or from an existing template.  This is a fork of the orginal, and reccomended by the developers of XCP-NG.
+- [XCP-NG/Citrix XenServer/Citrix Hypervisor/Updated Fork](https://github.com/ddelnano/packer-plugin-xenserver) - Plugin for creating [XCP-NG/Citrix XenServer/Citrix Hypervisor](https://xcp-ng.org/) images from an iso image or from an existing template. This is a fork of the orginal, and reccomended by the developers of XCP-NG.

website/content/partials/provisioners/community_provisioners.mdx

@@ -4,6 +4,6 @@
   Example provisioner that allows you to annotate your build with bubble-text
   comments.
 
-- [Windows Update provisioner](https://github.com/rgl/packer-provisioner-windows-update) -
+- [Windows Update provisioner](https://github.com/rgl/packer-plugin-windows-update) -
   A provisioner for gracefully handling windows updates and the reboots they
   cause.