You do realise that if there had been no Jews in Germany, Adolf Hitler would have targeted another group?
You will notice that same thing happening in Britain today... Nationalist organizations such as the British National Party, National Front and English Defense League all have the Pakistani as their main target and why? Because the Pakistanis are the largest ethnic minority living in Britain and they are also prominent, commercially speaking.
Indeed Jews were less than 1/2 percent of Germany but they were prominent and that is why Adolf Hitler targeted them.
Anti-Jewishness was not rampant enough to cause the Holocaust. If that were so then why did the Nazis do all that they could to keep what was going on in the concentration camps a secret? He did not target Jews successfully, as can be proven by the fact that his party gained no more than 100,000-150,000 members in a country of 80,000,000 people in the space of a decade.
If Adolf Hitler did not already "create" the hate against Jews then why did he spend so much time dedicating his speeches against Jews? Have you noticed that he did not need to do the same