bench: remove unutilized function

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Author: aman-095

lib/node_modules/@stdlib/blas/base/ssyr/benchmark/c/benchmark.c

@@ -80,16 +80,6 @@ static double tic( void ) {
 	return (double)now.tv_sec + (double)now.tv_usec/1.0e6;
 }
 
-/**
-* Generates a random number on the interval [0,1).
-*
-* @return random number
-*/
-static float rand_float( void ) {
-	int r = rand();
-	return (float)r / ( (float)RAND_MAX + 1.0f );
-}
-
 /**
 * Runs a benchmark.
 *