Bug 1618773 - Turn on dom.animations-api.implicit-keyframes.enabled and dom.animations-api.autoremove.enabled unconditionally; r=boris

Differential Revision: https://phabricator.services.mozilla.com/D64913

--HG--
extra : moz-landing-system : lando

modules/libpref/init/StaticPrefList.yaml

@@ -1336,7 +1336,7 @@
 # Is support for automatically removing replaced filling animations enabled?
 - name: dom.animations-api.autoremove.enabled
   type: bool
-  value: @IS_NOT_RELEASE_OR_BETA@
+  value: true
   mirror: always
 
 # Is support for composite operations from the Web Animations API enabled?
@@ -1366,7 +1366,7 @@
 # keyframes enabled?
 - name: dom.animations-api.implicit-keyframes.enabled
   type: bool
-  value: @IS_NOT_RELEASE_OR_BETA@
+  value: true
   mirror: always
 
 # Is support for timelines from the Web Animations API enabled?