Remove redundant character escape

kanban-console/src/main/java/com/uas/kanban/support/KanbanParser.java

@@ -63,7 +63,7 @@ public class KanbanParser {
         for (Parameter parameter : parameters) {
             map.put(parameter.getName(), parameter);
         }
-        String regex = "\\$P\\{([^\\$]+?)\\}";
+        String regex = "\\$P\\{([^$]+?)\\}";
         Pattern pattern = Pattern.compile(regex);
         Matcher matcher = pattern.matcher(content);
         while (matcher.find()) {