Removed NPS plugin (#31418)

Co-authored-by: Mattermost Build <build@mattermost.com>

server/Makefile

@@ -149,7 +149,6 @@ PLUGIN_PACKAGES += mattermost-plugin-jira-v4.3.0
 # We need to prepackage both versions of playbooks and install the correct one based on the server license. See MM-60025.
 PLUGIN_PACKAGES += mattermost-plugin-playbooks-v1.41.1
 PLUGIN_PACKAGES += mattermost-plugin-playbooks-v2.2.0
-PLUGIN_PACKAGES += mattermost-plugin-nps-v1.3.3
 PLUGIN_PACKAGES += mattermost-plugin-servicenow-v2.3.4
 PLUGIN_PACKAGES += mattermost-plugin-zoom-v1.8.0
 PLUGIN_PACKAGES += mattermost-plugin-ai-v1.1.1