chore: address commit comments

PR-URL: #5261
Closes: #5235

Reviewed-by: Philipp Burckhardt <[email protected]>

Author: hrshya

lib/node_modules/@stdlib/stats/base/dists/geometric/mgf/examples/c/example.c

@@ -20,7 +20,6 @@
 #include "stdlib/math/base/special/ln.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 );

lib/node_modules/@stdlib/stats/base/dists/geometric/mgf/include/stdlib/stats/base/dists/geometric/mgf.h

@@ -27,7 +27,7 @@ extern "C" {
 #endif
 
 /**
-* Evaluates the moment-generating function (MGF) for the geometric distribution with probability `p` at a value `x`.
+* Evaluates the moment-generating function (MGF) for the geometric distribution with probability `p` at a value `t`.
 */
 double stdlib_base_dists_geometric_mgf( const double t, const double p );