message: refactor(ngcc): remove unused imports
  The `isAssignment` and `isAssignmentStatement` are not used in this file.
  PR Close
diff: @@ -9,7 +9,6 @@ import * as ts from 'typescript';
  import {AbsoluteFsPath} from '../../../src/ngtsc/file_system';
  import {isRequireCall, isWildcardReexportStatement, RequireCall} from '../host/commonjs_umd_utils';
  -import {isAssignment, isAssignmentStatement} from '../host/esm2015_host';
  import {DependencyHostBase} from './dependency_host';
  