[Files Refactor] Cleanup (#2893)

* Clean up notes for develop merge
* Remove commented code
* Lint

pkg/utils/strings_test.go

@@ -0,0 +1,12 @@
+package utils
+
+import "fmt"
+
+func ExampleStrFormat() {
+	fmt.Println(StrFormat("{foo} bar {baz}", StrFormatMap{
+		"foo": "bar",
+		"baz": "abc",
+	}))
+	// Output:
+	// bar bar abc
+}