remove exception for PEP_STATUS_OK

src/gen_java_exceptions.ysl2

@@ -21,7 +21,7 @@ tstylesheet {
         }
     }
 
-    template "enum" for "*" call "exception"
+    template "enum" for "*[text()!=0]" call "exception"
         with "name" call "CamelCase" with "text", "name(.)";
 }
 

src/gen_throw_pEp_exception.ysl2

@@ -35,7 +35,7 @@ tstylesheet {
                     const char *ex_name;
         
                     switch (status) {
-                        `` apply "enum/*", 4, mode=case
+                        `` apply "enum/*[text()!=0]", 4, mode=case
                         default:
                             assert(0);
                             ex_name = "Exception";