Restructure authentication policies.

Cargo.toml

@@ -36,15 +36,13 @@ http-body-util  = "0.1"
 hyper           = { version = "1.3.1", features = ["server"] }
 hyper-util      = { version = "0.1", features = [ "server" ] }
 intervaltree    = "0.2.6"
-jmespatch       = { version = "0.3", features = ["sync"], optional = true }
 kmip            = { version = "0.4.2", package = "kmip-protocol", features = [ "tls-with-openssl" ], optional = true }
 kvx             = { version = "0.9.3", features = ["macros"] }
 libflate        = "2.1.0"
 log             = "0.4"
 once_cell       = { version = "1.7.2", optional = true }
-openidconnect   = { version = "2.0.0", optional = true, default-features = false }
+openidconnect   = { version = "3.5.0", optional = true, default-features = false }
 openssl         = { version = "0.10", features = ["v110"] }
-oso             = { version = "0.12", optional = true, default-features = false }
 percent-encoding = "2.3.1"
 pin-project-lite = "0.2.4"
 r2d2            = { version = "0.8.9", optional = true }
@@ -81,9 +79,7 @@ default = ["multi-user", "hsm"]
 hsm = ["backoff", "kmip", "once_cell", "cryptoki", "r2d2"]
 multi-user = [
     "basic-cookies",
-    "jmespatch/sync",
     "regex",
-    "oso",
     "openidconnect",
     "rpassword",
     "scrypt",