Remove ability to specify copy files phase ordering

CHANGELOG.md

@@ -2,9 +2,6 @@
 
 ## Master
 
-#### Added
-- Allow more granular phase ordering for Copy File and Run Script phases. [402](https://github.com/yonaskolb/XcodeGen/pull/402) @brentleyjones
-
 #### Fixed
 - Fixed XPC Service package type [#435](https://github.com/yonaskolb/XcodeGen/pull/435) @alvarhansen
 - Fixed phase ordering for modulemap and static libary header Copy File phases. [402](https://github.com/yonaskolb/XcodeGen/pull/402) @brentleyjones

Docs/ProjectSpec.md

@@ -286,9 +286,6 @@ A source can be provided via a string (the path) or an object of the form:
 			- `sharedSupport`
 			- `plugins`
 		- [ ] **subpath**: **String** - The path inside of the destination to copy the files.
-		- [ ] **phaseOrder**: **String** - When the Copy Files phase should execute in relation to other phases. This can be one of the following values:
-			- `preCompile`: Run before the Compile Sources phase
-			- `postCompile`: Run after the Compile Sources phase
 	- `none` - Will not be added to any build phases
 - [ ] **type**: **String**: This can be one of the following values
 	- `file`: a file reference with a parent group will be created (Default for files or directories with extensions)

Sources/ProjectSpec/TargetSource.swift

@@ -204,6 +204,6 @@ extension TargetSource.BuildPhase.CopyFilesSettings: JSONObjectConvertible {
     public init(jsonDictionary: JSONDictionary) throws {
         destination = try jsonDictionary.json(atKeyPath: "destination")
         subpath = jsonDictionary.json(atKeyPath: "subpath") ?? ""
-        phaseOrder = jsonDictionary.json(atKeyPath: "phaseOrder") ?? .postCompile
+        phaseOrder = .postCompile
     }
 }