Refactoring: removed all functions countain square

src/multiplication.c

@@ -9,9 +9,7 @@ double multi( double num1, double num2) {
     return (num1 * num2);
 }
 
-double square(double x) {
-    return x * x;
-}
+
 
 int multi_three_integers(int a, int b, int c) {
     return a * b * c;
@@ -107,9 +105,7 @@ int multi_increment(int num1, int num2) {
     return result;
 }
 
-int multi_by_prime_and_its_square(int num, int prime) {
-    return num * (prime + square (prime));
-}
+
 
 int multi_by_odd(int num, int factor) {
     int result = 0;

src/multiplication.h

@@ -1,7 +1,7 @@
 #ifndef MULTIPLICATION_H
 #define MULTIPLICATION_H
 extern double multi(double num1, double num2);
-double square(double x);
+
 int multi_three_integers(int a, int b, int c);
 int multi_left_shift(int a, int b);
 int multi_right_shift(int a, int b);
@@ -17,7 +17,7 @@ int multi_logical_op(int num1, int num2);
 int multi_modulo(int num1, int num2, int modulo);
 int multi_by_prime(int num, int prime);
 int multi_increment(int num1, int num2);
-int multi_by_prime_and_its_square(int num, int prime);
+
 int multi_by_odd(int num, int factor);
 int multi_binary_enumeration(int num1, int num2);
 int multi_differences(int num1, int num2);