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There certainly are people and movements who believe that, in several variations. The most significant ones are typified by the book The Pagan Christ, by Tom Harpur, a former Anglican priest. In the book he claims to identify many similarities between the stories of Jesus and ancient myths, especially Egyptian ones, and concludes that the early church leaders fabricated a literal and human Jesus based on those myths. Harpur based his work largely on that of Alvin Boyd Kuhn, who was in turn influenced by Gerald Massey.
The ideas of Harpur and his predecessors has garnered a lot of attention, much of it from people more anxious to disprove Christianity than to find the 'true version' of it. However, there are very few who would follow his teachings as an ideology, and even fewer who do so would call themselves Christian. The ideas of this movement have been widely criticised (most would say 'refuted') not just by Christian theologians, but also by Egyptologists and other students of ancient religions.
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There are no denominations of Christians who believe the above statement. There are denominations of people calling themselves Christian, some of whom believe according to the above statement, in an 'ideology of Jesus, the Bible and God', but not in the factual side of the same. The operative word here is 'calling themselves' possibly by the name Christian, but most likely they may say they may say they are church goers instead. They would not be called Christian by believing others, but instead, they would be called apostasized or liberal, and would not fit in the bible definition of Christian.
The United Church, for example, includes practicing ordained pastors, some of whom are athiests*, who say they believe the Bible is a story book* full of morals, but few facts. These people have an ideology of Jesus and what is contained in the Bible, but deny that it is factual.
These people would not call themselves Christians exactly either, ie. the pastor who does not believe calls herself an atheist, and those without saving belief in Christ, and without adherence to the new birth, would not pass the litmus test of who a Christian is scripturally either. Other 'signs' of Christian believers are listed in the Bible as well, ie 'these signs will follow those who believe,' and anyone who does not believe cannot produce these signs, not being connected to the head, therefore their lives produce telltale signs that they are not Christian, even if they call themselves Jesus himself it would still prove to be not true by no signs following.