Prevent boards product from being included automatically (#23539)

* Prevent boards product from being included automatically

* Fix config diff test

* Update prepackaged plugin version

Co-authored-by: Scott Bishel <scott.bishel@mattermost.com>

* Readd boards/dist to the gitignore

* Does not enable the focalboard plugin by default

* Update plugin version to v7.10.3

---------

Co-authored-by: Scott Bishel <scott.bishel@mattermost.com>

webapp/Makefile

@@ -58,11 +58,9 @@ build: node_modules ## Builds all web app packages
 	npm run build
 
 .PHONY: dist
-dist: build ## Builds all web app packages and copies Boards/Playbooks files into Channels dist folder
+dist: build ## Builds all web app packages and copies Playbooks files into Channels dist folder
 	@echo Packaging Mattermost Web App
 
-	mkdir -p channels/dist/products/boards
-	cp -R boards/dist/* channels/dist/products/boards
 	mkdir -p channels/dist/products/playbooks
 	cp -R playbooks/dist/* channels/dist/products/playbooks