Add array removal helper

CHDataManagement/Extensions/Array+Remove.swift

@@ -0,0 +1,12 @@
+
+extension Array where Element: Equatable {
+
+    @discardableResult
+    mutating func remove(_ element: Element) -> Bool {
+        guard let index = firstIndex(of: element) else {
+            return false
+        }
+        remove(at: index)
+        return true
+    }
+}