When syntax for opening to a line is unknown, just open the file

Looks like all the IDEs have different syntaxes for opening a file to a
given line so let's not suppose it will just be file:line as it works
for none of them so chances it will work for a random one are quite
thin.

core/deployment/src/main/java/io/quarkus/deployment/ide/Ide.java

@@ -80,8 +80,10 @@ public List<String> createFileOpeningArgs(String fileName, String line) {
             return Collections.singletonList(fileName);
         }
 
+        // we don't know the syntax for opening a file at a given line
+        // so we just open the file
         if (lineNumberArgs.isEmpty()) {
-            return Collections.singletonList(fileName + ":" + line);
+            return Collections.singletonList(fileName);
         }
 
         return lineNumberArgs.stream()