Someone asks  How do I renounce the Catholic religion?  Well.. here's my take,   .. IF in fact  this religion no longer fills your spiritual needs  then simply chose NOT to participate any more.   To feel a NEED to renounce one's decision to any outer "authority" is to continue to hold onto that authority.  Who's business is it anyway?  No ones, this is  between you and God.  So... simply say to God ...    Lord... I am sensing that this system of worship no longer fulfills me..   and then just let it go.  It MIGHT    be a really good idea to ask God.. from within ..  just what approach to the Divine would serve you best. Chances are He has already given you some hints.  : )   I think for most people it is a process.. For instance, I used to be a Catholic, and borrowed from them what I needed, then I moved on to  the Unitarians who are very Altruistic and where I was given the freedom to question and explore more deeply.  For a while I was even an Agnostic .. since I truly wanted to KNOW God  but did not know.. one way or the other, and blind faith belief was simply not good enough.  Finally God actually showed up!  AWESOME!  : )  and Now God has led ME within, to the spiritual path of a Bhakti Yogi.  I didn't really chose this..  This was wholy God's plan for me.  So I suggest that you don't allow your finite mind to get too much in the way  and just follow your heart.  God knows what EACH of us needs AND when we need it.   I like to think of it all as evolution of the soul.  Ultimately we come to see that we start with God and we end with God.  It is a very personal journey  and each soul's will be different and there is no need to judge any of it because ultimately  God and not our finite mind mind is in charge.

Consider.. the very idea of "moving on" was not actually yours  but an idea put there  by God.   As they say.. the ways of the Lord are mysterious indeed.  Just trust your heart... and Love all as best you can.   Many blessings.