dev-libs/libsecp256k1-0.2.0: drop BDEPEND on dev-libs/openssl

OpenSSL testing was removed upstream in October 2021.

See: bitcoin-core/secp256k1@bc08599
Signed-off-by: Matt Whitlock <[email protected]>

Author: whitslack

dev-libs/libsecp256k1/libsecp256k1-0.2.0-r1.ebuild

@@ -23,7 +23,6 @@ REQUIRED_USE="
 "
 BDEPEND="
 	virtual/pkgconfig
-	test? ( dev-libs/openssl )
 	valgrind? ( dev-util/valgrind )
 "