style: remove unused params of main (#2948)

Co-authored-by: realstealthninja <68815218+realstealthninja@users.noreply.github.com>

math/eulers_totient_function.cpp

@@ -72,11 +72,9 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @returns 0 on exit
  */
-int main(int argc, char *argv[]) {
+int main() {
     test();
     return 0;
 }

math/modular_division.cpp

@@ -106,11 +106,9 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @returns 0 on exit
  */
-int main(int argc, char *argv[]) {
+int main() {
     test();  // execute the tests
     return 0;
 }

math/n_choose_r.cpp

@@ -73,11 +73,9 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @returns 0 on exit
  */
-int main(int argc, char *argv[]) {
+int main() {
     test();  // executing tests
     return 0;
 }

math/realtime_stats.cpp

@@ -155,7 +155,7 @@ void test_function(const float *test_data, const int number_of_samples) {
 }
 
 /** Main function */
-int main(int argc, char **argv) {
+int main() {
     const float test_data1[] = {3, 4, 5, -1.4, -3.6, 1.9, 1.};
     test_function(test_data1, sizeof(test_data1) / sizeof(test_data1[0]));