res_rtp_asterisk: Revert DTLS negotiation changes.
Due to locking issues within pjnath these changes are being
reverted until pjnath can be changed.
ASTERISK-25645
Revert "res_rtp_asterisk.c: Fix DTLS negotiation delays."
This reverts commit
24ae124e4f7310cfa64c187b944b2ffc060da28d.
Change-Id: I2986cfb2c43dc14455c1bcaf92c3804f9da49705
Revert "res_rtp_asterisk: Resolve further timing issues with DTLS negotiation"
This reverts commit
965a0eee46d24321f74c244e23c5a5f45e67e12b.
Change-Id: Ie68fafde27dad4b03cb7a1e27ce2a8502c3f7bbe