chore: minor changes

src/main/java/cz/jull/tui/Cli.java

@@ -5,32 +5,6 @@ import java.util.List;
 import java.util.Scanner;
 
 public class Cli {
-    public static String header(String text) {
-        int totalWidth = 100;
-        int padding = (totalWidth - text.length()) / 2;
-
-        StringBuilder stringBuilder = new StringBuilder(totalWidth);
-        for (int i = 0; i < padding; i++) {
-            stringBuilder.append("=");
-        }
-
-        if (!text.isEmpty()) {
-            stringBuilder.append(" ");
-            stringBuilder.append(text);
-            stringBuilder.append(" ");
-        }
-
-        for (int i = 0; i < padding; i++) {
-            stringBuilder.append("=");
-        }
-
-        while (stringBuilder.length() < totalWidth) {
-            stringBuilder.insert(0, "=");
-        }
-
-        return stringBuilder.toString();
-    }
-
     public static void pressEnter() {
         Console console = System.console();
         console.readLine();