chore: remove @webpack-cli/migrate dependency (#3363)

Author: snitin315

package.json

@@ -61,7 +61,6 @@
     "@types/rechoir": "^0.6.1",
     "@typescript-eslint/eslint-plugin": "^5.22.0",
     "@typescript-eslint/parser": "^5.22.0",
-    "@webpack-cli/migrate": "^1.1.2",
     "coffeescript": "^2.7.0",
     "colorette": "^2.0.16",
     "concat-stream": "^2.0.0",

test/api/get-default-package-manager.test.js

@@ -12,10 +12,6 @@ jest.setMock("cross-spawn", {
   sync: syncMock,
 });
 
-const globalModulesNpmValue = "test-npm";
-
-jest.setMock("global-modules", globalModulesNpmValue);
-
 describe("getPackageManager", () => {
   let cli;