Remove legacy factor

Author: ianpartridge

benchmark/single-source/DataBenchmarks.swift

@@ -182,17 +182,13 @@ public let DataBenchmarks = [
     legacyFactor: 50),
 
   BenchmarkInfo(name: "String.data.Empty",
-    runFunction: { dataUsingUTF8Encoding($0*200, from: emptyString) }, tags: d,
-    legacyFactor: 50),
+    runFunction: { dataUsingUTF8Encoding($0*200, from: emptyString) }, tags: d),
   BenchmarkInfo(name: "String.data.Small",
-    runFunction: { dataUsingUTF8Encoding($0*200, from: smallString) }, tags: d,
-    legacyFactor: 50),
+    runFunction: { dataUsingUTF8Encoding($0*200, from: smallString) }, tags: d),
   BenchmarkInfo(name: "String.data.Medium",
-    runFunction: { dataUsingUTF8Encoding($0*200, from: mediumString) }, tags: d,
-    legacyFactor: 50),
+    runFunction: { dataUsingUTF8Encoding($0*200, from: mediumString) }, tags: d),
   BenchmarkInfo(name: "String.data.LargeUnicode",
-    runFunction: { dataUsingUTF8Encoding($0*200, from: largeUnicodeString) }, tags: d,
-    legacyFactor: 50),
+    runFunction: { dataUsingUTF8Encoding($0*200, from: largeUnicodeString) }, tags: d),
 
   BenchmarkInfo(name: "Data.hash.Empty",
     runFunction: { hash($0*10_000, data: Data()) }, tags: d),