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/client_test.go

@@ -326,20 +326,6 @@ func TestGetClientConfig(t *testing.T) {
 				"ExperimentalSharedChannels": "true",
 			},
 		},
-		{
-			"Default Playbooks Enabled",
-			&model.Config{
-				ProductSettings: model.ProductSettings{},
-			},
-			"",
-			&model.License{
-				Features:     &model.Features{},
-				SkuShortName: "other",
-			},
-			map[string]string{
-				"EnablePlaybooks": "true",
-			},
-		},
 	}
 
 	for _, testCase := range testCases {