Remove the SQLITE_CONFIG_WORKER_THREADS configuration parameter. The number

of worker threads in the sorter is now determined only by the
PRAGMA threads=N setting.

FossilOrigin-Name: e3305d4b4efcbe06945ce7f6ec0f2e864244aaf9

src/main.c

@@ -515,15 +515,6 @@ int sqlite3_config(int op, ...){
     }
 #endif
 
-    case SQLITE_CONFIG_WORKER_THREADS: {
-#if SQLITE_MAX_WORKER_THREADS>0
-      int n = va_arg(ap, int);
-      if( n>SQLITE_MAX_WORKER_THREADS ) n = SQLITE_MAX_WORKER_THREADS;
-      if( n>=0 ) sqlite3GlobalConfig.nWorker = n;
-#endif
-      break;
-    }
-
     default: {
       rc = SQLITE_ERROR;
       break;