Remove NaN tests for createVector in p5.Matrix

Removed tests for createVector NaN handling in p5.Matrix.

Author: perminder-17

test/unit/math/p5.Matrix.js

@@ -296,30 +296,6 @@ suite('p5.Matrix', function () {
     });
   });
 
-  suite('createVector NaN (BC patch)', function () {
-    test('div with 3D divisor: no NaN', function () {
-      const v = myp5.createVector(8, 9);
-      const w = myp5.createVector(1, 2, 3);
-      v.div(w);
-      const arr = v.array();
-      expect(arr.some(Number.isNaN)).toBe(false);
-      expect(arr).toEqual([8, 4.5, 0]);
-    });
-  
-    test('div by vector missing z: no NaN (unchanged/div-by-zero safe)', function () {
-      const v1 = myp5.createVector(8, 9);
-      const w1 = myp5.createVector(1, 2, 3);
-      w1.div(v1);
-      expect(w1.array().some(Number.isNaN)).toBe(false);
-    });
-  
-    test('0-arg vector ops: no NaN', function () {
-      const z = myp5.createVector(); 
-      z.add(1);
-      expect(z.array().some(Number.isNaN)).toBe(false);
-    });
-  });
-
   suite('p5.Matrix3x3', function () {
     test('apply copy() to 3x3Matrix', function () {
       const m = new p5.Matrix([1, 2, 3, 4, 5, 6, 7, 8, 9]);