No, it will just get auto-corrected. Removing a letter from a word as a brand name is dumb; it is no different than parents naming their kid a normal name with stupid spelling and thinking they are original/creative.
"RelativityVR" or similar would arguably be equally good for search, clearer purpose/context from the get-go, and much easier to communicate, vs " 'Relativity', but without second 'I' " ...