This reverts commit 7c486399.

Issue #2843259 by alexpott, Mile23: Drupal\Tests\ComposerIntegrationTest breaks when composer.lock generated with composer version 1.3 and higher

Issue #2771331 by johan.gant: drupal/core-uuid composer.json not tested by \Drupal\Tests\ComposerIntegrationTest::testComposerJson()

Issue #2744383 by chishah92, Eric_A: drupal/core-dependency-injection is missing from the drupal/core replace section

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2337283 by hussainweb, Mile23, alexpott, aleksip, dawehner, heykarthikwithu, naveenvalecha, Crell, xjm, davidwbarratt, Fabianx, jhedstrom, tim.plunkett, larowlan, tstoeckler: Add a composer.json file to every component

Issue #2600718 by rakesh.gectcr, xjm, Mile23, dawehner: Add composer.json to \Drupal\Component\Bridge component

Issue #2539682 by borisson_, Wim Leers: Add test to ensure composer.json is listing all core modules

Issue #2472269 by martin107, Xano, derhasi: Fix syntax errors in Drupal\Component\Plugin's composer.json, Add test