Raise coverage (#6441)

Adding a few tests and remove a few unused files to raise code coverage
a bit

packages/twenty-front/src/utils/__tests__/isValidUuid.test.ts

@@ -0,0 +1,11 @@
+import { isValidUuid } from '~/utils/isValidUuid';
+
+describe('isValidUuid', () => {
+  it('returns true if value is a valid UUID', () => {
+    expect(isValidUuid('bec09e27-4ecc-4a85-afc1-f2c0ace28bfa')).toBe(true);
+  });
+
+  it('returns false if value is not a valid UUID', () => {
+    expect(isValidUuid('123e4567-e89b-12d3-a456-42661417400')).toBe(false);
+  });
+});