Imply maid cafe -> cafe

BUR #35367 has been rejected.

create implication maid_cafe -> cafe

It is a subset of cafe.

There are some examples of the maid cafe tag being used for school fair maid cafes located in classrooms as well. post #8197658, post #4931753, post #4763051.

The bulk update request #35367 (forum #329733) has been rejected by @evazion.

maid_cafe -cafe shows a number of cases where there's no sign of a cafe present, unless you count a cafe as "anywhere where a maid from a maid cafe is present".