Don't strip() crazy amount of trailing '='s in gen_bridge_descriptors.
Don't strip() crazy amount of trailing '='s in gen_bridge_descriptors.

Base64 padding will only ever result in a maximum of two trailing '='s
characters, not a gazillion.

wfn/bridgedb,pagea/bridgedb,pagea/bridgedb,mmaker/bridgedb,mmaker/bridgedb,wfn/bridgedb