remove obsolete code

src/main/java/org/cobbzilla/util/javascript/StandardJsEngine.java

@@ -2,9 +2,6 @@ package org.cobbzilla.util.javascript;
 
 import lombok.extern.slf4j.Slf4j;
 
-import java.util.HashMap;
-import java.util.Map;
-
 import static org.cobbzilla.util.io.StreamUtil.stream2string;
 import static org.cobbzilla.util.string.StringUtil.getPackagePath;
 
@@ -17,21 +14,4 @@ public class StandardJsEngine extends JsEngine {
 
     public static final String STANDARD_FUNCTIONS = stream2string(getPackagePath(StandardJsEngine.class)+"/standard_js_lib.js");
 
-    private static final String ESC_DOLLAR = "__ESCAPED_DOLLAR_SIGN__";
-    public static String replaceDollarSigns(String val) {
-        return val.replace("'$", ESC_DOLLAR)
-                .replaceAll("(\\$(\\d+(\\.\\d{2})?))", "($2 * 100)")
-                .replace(ESC_DOLLAR, "'$");
-    }
-
-    public String round(String value, String script) {
-        final Map<String, Object> ctx = new HashMap<>();
-        ctx.put("x", value);
-        try {
-            return String.valueOf(evaluateInt(script, ctx));
-        } catch (Exception e) {
-            log.warn("round('"+value+"', '"+script+"', NOT rounding due to exception: "+e);
-            return value;
-        }
-    }
 }