Remove two print statements in tests (#853)

Author: d-ronnqvist

Tests/SwiftDocCTests/DocumentationService/ConvertService/ConvertServiceTests.swift

@@ -919,7 +919,6 @@ class ConvertServiceTests: XCTestCase {
                     )
 
                 case .asset(let assetReference):
-                    print(assetReference)
                     switch (assetReference.assetName, assetReference.bundleIdentifier) {
                     case (let assetName, "identifier") where ["before.swift", "after.swift"].contains(assetName):
                         var asset = DataAsset()

Tests/SwiftDocCTests/Infrastructure/PathHierarchyTests.swift

@@ -1812,8 +1812,6 @@ class PathHierarchyTests: XCTestCase {
         let (_, _, context) = try loadBundle(from: tempURL)
         let tree = context.linkResolver.localResolver.pathHierarchy
 
-        print(tree.dump())
-        
         let moduleID = try tree.find(path: "/ModuleName", onlyFindSymbols: true)
         // Relative link from the module to a topic section
         do {