Merge pull request swiftlang#1433 from ahoppen/ahoppen/enable-swiftformat-rules

Enable two swift-format rules that are now satisfied

Author: ahoppen

.swift-format

@@ -9,9 +9,7 @@
     "rules": {
         "AlwaysUseLowerCamelCase": false,
         "AmbiguousTrailingClosureOverload": false,
-        "DontRepeatTypeInStaticProperties": false,
         "NoBlockComments": false,
-        "Spacing": false,
         "UseLetInEveryBoundCaseVariable": false,
         "UseSynthesizedInitializer": false
     }