Remove non-ascii characters added by accident

Author: atorralba

java/ql/test/stubs/groovy-all-3.0.7/groovy/lang/GroovyShell.java

@@ -71,11 +71,11 @@ public Object run(GroovyCodeSource source, String[] args) {
         return null;
     }
 
-    public Object run​(URI source, List<String> list) {
+    public Object run(URI source, List<String> list) {
         return null;
     }
 
-    public Object run​(URI source, String[] args) {
+    public Object run(URI source, String[] args) {
         return null;
     }