Add an unsafe fix for noConstantCondition

[gameroman]

Example code

if (true) {
  console.log(1);
} else if (true) {
  console.log(2);
}

if (undefined) {
  console.log(3);
}

if (!undefined) {
  console.log(4);
}

Example unsafe fix

console.log(1);

console.log(4);