Enable two swift-format rules that are now satisfied

I disabled all of those rules to make the introduction of swift-format easiser. Now I went through them again and these rules are satisfied. All the other rules that are disabled have good reasons for being diabled, so I want to keep them disabled.

rdar://103919185

Author: ahoppen

.swift-format

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