Misc cleanup (#708)

* Fix typos

* Remove unneeded using statements

* Enforce var style more

* Remove redundant qualifiers

* Fix some indentation

* Disable naming warnings on files with external enum names

* Fix build

* Mass find & replace for comments with no spacing

* Standardize todo capitalization and for/if spacing

ChocolArm64/Instructions/InstEmitSimdMemory.cs

@@ -96,7 +96,7 @@ namespace ChocolArm64.Instructions
 
             if (op.Replicate)
             {
-                //Only loads uses the replicate mode.
+                // Only loads uses the replicate mode.
                 if (!isLoad)
                 {
                     throw new InvalidOperationException();