[Preset] Fix cherry-pick from master into swift-5.0-branch by removing skip-test-swiftevolve flag

Author: shahmishal

utils/build-presets.ini

@@ -1145,7 +1145,6 @@ skip-test-cmark
 skip-test-playgroundsupport
 skip-test-swiftsyntax
 skip-test-skstresstester
-skip-test-swiftevolve
 
 
 # Debug version of the compilers, release version of the stdlib.