remove hack for wrong encoded  

src/main/java/com/inet/sass/parser/ScssParser.java

@@ -1477,7 +1477,7 @@ private SassListItem parseNumber( char ch ) {
 
         // parse the unit value
         LOOP: for( ;; ) {
-            if( Character.isLetter( ch ) || ch == '%' || ch == '\ufffd' ) { //TODO the '\ufffd' is a hack for the valo test because it is read as ASCII
+            if( Character.isLetter( ch ) || ch == '%' ) {
                 builder.append( ch );
             } else {
                 reader.back( ch );

src/test/java/com/inet/sass/testcases/scss/VaadinThemes.java

@@ -15,23 +15,15 @@
  */
 package com.inet.sass.testcases.scss;
 
-import java.nio.charset.StandardCharsets;
-
 import org.junit.Assert;
 import org.junit.Test;
 
 import com.inet.sass.AbstractTestBase;
-import com.inet.sass.resolver.FilesystemResolver;
-import com.inet.sass.resolver.ScssStylesheetResolver;
 
 public class VaadinThemes extends AbstractTestBase {
     String scssFolder = "/vaadin-themes/scss";
     String cssFolder = "/vaadin-themes/css";
 
-    protected ScssStylesheetResolver getResolver( String filename ) {
-        return new FilesystemResolver( StandardCharsets.US_ASCII ); // the source is UTF8 but the references are saved for the old ASCII encoding
-    }
-
     @Test
     public void compileValo() throws Exception {
         String scss = scssFolder + "/valo/styles.scss";