Professor only teaches what is already in textbook. Should I quit going to the lectures?
This is a common frustration faced by college students, especially in lecture-oriented STEM majors. Unfortunately, the truth is that the lectures may be a waste of time and there is little you can do to change that. If you can cover the material more efficiently on your own time (especially since you're commuting), you shouldn't necessarily feel guilty in doing so. You can see similar sentiments expressed on ratemyprofessor where students often question the value of lectures and simply go to the library as opposed to lecture. 

Yes you're paying for the lecture, but if it doesn't help/contribute to your understanding, there is no point in going. I knew students who went every time out of habit, but it was an absolute waste of time. 

I've had physics professors who wrote starting problems on the board and then the solution only to say that if we were at his level, we should 'see' the dozen steps in between. Needless to say, lectures were fairly empty after that. He was very well versed in the material and many students would come to office hours, it's just that he couldn't lecture.

Depending on the age/tenure of the professor, they may be receptive to making the lectures more engaging, or they may "brush" you off. Simply express your interest in the subject to the professor and ask them to make the lecture more engaging/be better prepared. Depending on the college/class, the professor may be unable to accommodate you because your peers may not be at your level. Be aware that some professors cannot lecture effectively, or have had unwanted courses foisted upon them. No matter your school ranking or major, you will encounter lousy enthusiasm-killing professors whom you'll have to endure. For many professors, your best shot for a more engaging experience would be to visit them during office hours.

In a certain sense, to quote Mark Twain, "Don't let schooling interfere with your education." You won't have this professor forever, though you may unfortunately have them or those like them again. Don't let them dampen your passion for the subject.