remove the header

Author: jalajk3004

lib/node_modules/@stdlib/stats/base/dists/normal/pdf/README.md

@@ -210,7 +210,6 @@ double stdlib_base_dists_normal_pdf( const double x, const double mu, const doub
 #include "stdlib/constants/float64/eps.h"
 #include <stdlib.h>
 #include <stdio.h>
-#include <time.h>
 
 static double random_uniform( const double min, const double max ) {
     double v = (double)rand() / ( (double)RAND_MAX + 1.0 );