Move version entry point into MODULE_INFO

The MODULE_INFO can easily hold the version information of the
module. This removes the need for a explicit version entry point.

query_classifier/qc_sqlite/qc_sqlite.c

@@ -3172,8 +3172,6 @@ void qc_sqlite_get_field_info(GWBUF* query, const QC_FIELD_INFO** infos, size_t*
  * EXPORTS
  */
 
-static char version_string[] = "V1.0.0";
-
 static QUERY_CLASSIFIER qc =
 {
     qc_sqlite_init,
@@ -3202,13 +3200,9 @@ MODULE_INFO info =
     MODULE_BETA_RELEASE,
     QUERY_CLASSIFIER_VERSION,
     "Query classifier using sqlite.",
+    "V1.0.0"
 };
 
-char* version()
-{
-    return version_string;
-}
-
 void ModuleInit()
 {
 }