Remove unused dependencies

[tomaszmrugalski]

This knip tool is very cool. See getting started:

$ npx knip
Need to install the following packages:
  knip@5.37.1
Ok to proceed? (y) y
Unused files (14)
e2e/protractor.conf.js
e2e/src/app.e2e-spec.ts
e2e/src/app.po.ts
src/app/app.component.spec.ts
src/app/login/login.component.spec.ts
src/app/main/main.component.spec.ts
src/app/messages/messages.component.spec.ts
src/app/services/login.service.spec.ts
src/app/services/messages.service.spec.ts
src/app/services/task-states.service.spec.ts
src/app/services/tasks.service.spec.ts
src/environments/environment.prod.ts
src/karma.conf.js
src/polyfills.ts
Unused dependencies (1)
core-js  package.json
Unused devDependencies (11)
@angular-eslint/schematics        package.json
@angular-eslint/template-parser   package.json
@angular/language-service         package.json
@types/jasminewd2                 package.json
jasmine-core                      package.json
jasmine-spec-reporter             package.json
karma-chrome-launcher             package.json
karma-coverage-istanbul-reporter  package.json
karma-jasmine                     package.json
karma-jasmine-html-reporter       package.json
ts-node                           package.json
Unused exported types (2)
Date         interface  src/app/models/task.ts:4:18            
TasksParams  interface  src/app/services/tasks.service.ts:12:18