Move playbooks to plugin (#23732)

* Remove build references

* Remove playbooks webapp and server, and add the prepackaged plugin

* Remove translations

* Add ProductSettings to the playwright type

* Restore playbooks as a prepackaged plugin for cypress e2e tests

server/config/diff_test.go

@@ -810,6 +810,9 @@ func TestDiff(t *testing.T) {
 						"com.mattermost.calls": {
 							Enable: true,
 						},
+						"playbooks": {
+							Enable: true,
+						},
 					},
 				},
 			},
@@ -839,6 +842,9 @@ func TestDiff(t *testing.T) {
 						"com.mattermost.calls": {
 							Enable: true,
 						},
+						"playbooks": {
+							Enable: true,
+						},
 					},
 				},
 			},
@@ -860,6 +866,9 @@ func TestDiff(t *testing.T) {
 						"com.mattermost.calls": {
 							Enable: true,
 						},
+						"playbooks": {
+							Enable: true,
+						},
 					},
 				},
 			},