refactor: remove unneeded imports

src/app/pages/settings/chains/chain-add/chain-add.ts

@@ -1,7 +1,4 @@
 import { Component, inject } from '@angular/core';
-import { ReactiveFormsModule } from '@angular/forms';
-import { MatFormFieldModule } from '@angular/material/form-field';
-import { MatInputModule } from '@angular/material/input';
 import { Chain } from '../../../../models/Chain';
 import { ChainFormGroup } from '../chain-formgroup';
 import { ChainForm } from '../chain-form/chain-form';
@@ -15,9 +12,6 @@ import { ChainSettings } from '../../../../services/chain-settings';
   imports: [
     ActionBtn,
     ChainForm,
-    MatFormFieldModule,
-    MatInputModule,
-    ReactiveFormsModule,
     TranslatePipe,
     UpperfirstPipe,
   ],