Issue #2624770 by 20th, Jo Fitzgerald, claudiu.cristea, Berdir, mohit1604, amateescu, Sutharsan, derheap, Saviktor, Mile23, dawehner, kristiaanvandeneynde, alexpott: Use more specific entity.manager services in core.services.yml

Issue #2688945 by tduong, amateescu, timmillwood, alexpott, joachim, xjm, yoroy, ifrik, Berdir, Gábor Hojtsy, Bojhan, webchick, cilefen, dawehner: Allow removing a module's content entities prior to module uninstallation

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

Issue #1392754 by tss, justAChris, jhodgdon: Comply with new documentation standards for @file for namespaced class files

Issue #2392293 by bircher, tim.plunkett, alexpott, cilefen, gobinathm: Refactor hook_system_info_alter implementations to use ModuleUninstallValidatorInterface

Issue #2278017 by cilefen, bircher, effulgentsia: When a content entity type providing module is uninstalled, the entities are not fully deleted, leaving broken reference