build: fix mdc-migration integration test due to recent CLI update

Fixes the mdc-migration integration test that fails due to the rebase
which resulted in the most recent CLI/devkit version being used.

The shorter `-c` alias conflicts with the builtin `--collection` option
as it seems.

Author: devversion

integration/mdc-migration/migration-test.bzl

@@ -31,7 +31,7 @@ def migration_test(name, srcs, approve):
             # See: https://github.com/yarnpkg/yarn/issues/2165.
             # TODO(devversion): determine if a solution/workaround could live in the test runner.
             "yarn install --cache-folder .yarn_cache_folder/",
-            "yarn ng generate @angular/material:mdc-migration -c all --tsconfig tsconfig.app.json",
+            "yarn ng generate @angular/material:mdc-migration --components all --tsconfig tsconfig.app.json",
             # TODO(amysorto): add back once MDC components are in @angular/material
             # "yarn test",
             " ".join([

src/material/schematics/ng-generate/mdc-migration/schema.json

@@ -46,7 +46,6 @@
         ]
       },
       "description": "The components to migrate.",
-      "alias": "c",
       "x-prompt": {
         "message": "What components do you want to migrate?",
         "type": "list",