Revert "Skip SwiftDocC test on full and smoke PR testing (87784021)"

This reverts commit 2d6e004.

Author: talzag

utils/build-presets.ini

@@ -668,9 +668,6 @@ skip-build-benchmarks
 # Skip playground tests
 skip-test-playgroundsupport
 
-# SKIP SWIFT-DOCC TESTS (87784021)
-skip-test-swiftdocc
-
 [preset: buildbot_incremental,tools=RA,stdlib=RD,smoketest=macosx,flto]
 mixin-preset=buildbot_incremental,tools=RA,stdlib=RD,smoketest=macosx
 build-subdir=buildbot_incremental
@@ -1609,9 +1606,6 @@ sil-verify-all-macos-only
 skip-test-ios-host
 skip-test-watchos-host
 
-# SKIP SWIFT-DOCC TESTS (87784021)
-skip-test-swiftdocc
-
 
 #===------------------------------------------------------------------------===#
 # Test watchOS on OS X builder