fix: updated geometric median documentation

Signed-off-by: the_deeppp <[email protected]>

Author: thedeeppp

lib/node_modules/@stdlib/stats/base/dists/geometric/median/README.md

@@ -154,7 +154,7 @@ Returns the [median][median] of a [geometric][geometric-distribution] distributi
 
 ```c
 double out = stdlib_base_dists_geometric_median( 0.5 );
-// returns 1
+// returns 0
 ```
 
 The function accepts the following arguments:
@@ -187,7 +187,6 @@ double stdlib_base_dists_geometric_median( const double p );
 #include "stdlib/stats/base/dists/geometric/median.h"
 #include <stdlib.h>
 #include <stdio.h>
-#include <math.h>
 
 static double random_uniform( const double min, const double max ) {
     double v = (double)rand() / ( (double)RAND_MAX + 1.0 );