Remove stub solution (#872)

Author: meatball133

exercises/practice/scale-generator/Sources/ScaleGenerator/ScaleGenerator.swift

@@ -1,38 +1,3 @@
-import Foundation
-
 class ScaleGenerator {
-    let flatTones = ["Ab", "A", "Bb", "B", "C", "Db", "D", "Eb", "E" ,"F", "Gb", "G"]
-    let sharpTones = ["A", "A#", "B", "C", "C#", "D", "D#", "E", "F" ,"F#", "G", "G#"]
-    let sharpTonesTypes = ["G", "D", "A","a", "E", "B","F#", "f#","e", "b", "c♯", "g♯", "d♯", "C"]
-    let translator = ["A": 3, "M": 2, "m": 1]
-    var tones: [String] = []
-
-    init (tonic: String) {
-        if sharpTonesTypes.contains(tonic) {
-            let tonic = tonic.capitalized
-            let index = sharpTones.firstIndex(of: tonic)!
-            self.tones = Array(sharpTones[index...] + sharpTones[...index])
-        }else {
-            let tonic = tonic.capitalized
-            let index = flatTones.firstIndex(of: tonic)!
-            self.tones = Array(flatTones[index...] + flatTones[...index])
-        }
-    }
-
-    func chromatic() -> [String] {
-        return Array(tones[0...(tones.count - 2)])
-    }
-
-    func interval(_ intervals : String) -> [String] {
-        var steps : [Int] = [0]
-        for char in intervals {
-            steps.append(steps.last! + translator[String(char)]!)
-        }
-        var result : [String] = []
-        for step in steps[0...(steps.count - 2)] {
-            result.append(tones[step])
-        }
-        result.append(tones[0])
-        return result
-    }
+  // Write your code for the 'ScaleGenerator' exercise in this file.
 }