triangle exercise code deleted, to prevent the exercise from passing tests on npm run start

Author: TheRealOwenRees

exercises/practice/triangle/src/Triangle.re

@@ -1,15 +1 @@
-let is_triangle = (a, b, c) => {
-  a > 0 && b > 0 && c > 0 && a <= b + c && b <= a + c && c <= a + b;
-};
 
-let is_equilateral = (a, b, c) => {
-  is_triangle(a, b, c) && a == b && b == c;
-};
-
-let is_isosceles = (a, b, c) => {
-  is_triangle(a, b, c) && (a == b || b == c || a == c);
-};
-
-let is_scalene = (a, b, c) => {
-  is_triangle(a, b, c) && a != b && b != c && a != c;
-};

exercises/practice/triangle/src/Triangle.rei

@@ -1,4 +1,4 @@
 let is_triangle: (int, int, int) => bool;
 let is_equilateral: (int, int, int) => bool;
 let is_isosceles: (int, int, int) => bool;
-let is_scalene: (int, int, int) => bool;
+let is_scalene: (int, int, int) => bool;