Here you go pal
Although it's a shame they don't have a vanilla variant for your phone model
Few advices before you start:
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Before unlocking your bootloader be sure to logout from all your account esspecialy google ( otherwise you might get locked out from your device )
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The unlocking process can be a bitch ( The process has a Wait time. )
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Before all that be sure to download your original rom ( also known as R_vendor ) and twrp for your specific device model
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Also note that flashing your rom can be stressful and (in case something went wrong) It might require some time to fix everything up.
Do I still recommend it? Yes.
Edit: if you are locking for a guide i recomend this one