gen_smtp_client: stop filtering gen_tcp and ssl options, fixes #271 #274
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A lot of new useful options were added to gen_tcp and ssl in the recent
OTP releases, but
smtp_socket
module (that backs gen_smtp_client) currentlyonly allows a smal set of options and discarded all the not defined in
the whitelist.
We think that it's better to let programmer decide which options they
want to pass - it should e programmer's responsibility if they provide
invalid options.
Especially given that we stopped doing any option filtering for gen_smtp_server after we migrated it to ranch.