Inline constant template literal interpolations

#### Input Code

```js
const a = `foo ${'bar'} baz`;
const b = `foo ${true ? 'bar' : 'qux'} baz`;
```

#### Actual Output

```js
const a=`foo ${'bar'} baz`,b=`foo ${'bar'} baz`;
```

#### Expected Output

```js
const a=`foo bar baz`,b=`foo bar baz`;
```

#### Details

I believe this should be safe to do as long as the template literal is not tagged.