Make tracing dependencies non-optional

Author: link2xt

Cargo.toml

@@ -51,8 +51,8 @@ num-traits = "0.2"
 once_cell = "1.17.0"
 percent-encoding = "2.2"
 pgp = { version = "0.9", default-features = false }
-tracing = { version = "0.1", optional = true }
-tracing-subscriber = { version = "0.3", default-features=false, features = ["std", "env-filter", "fmt"], optional = true }
+tracing = "0.1"
+tracing-subscriber = { version = "0.3", default-features=false, features = ["std", "env-filter", "fmt"] }
 quick-xml = "0.27"
 r2d2 = "0.8"
 r2d2_sqlite = "0.20"
@@ -140,7 +140,7 @@ harness = false
 [features]
 default = ["vendored"]
 internals = []
-repl = ["internals", "rustyline", "tracing", "tracing-subscriber", "ansi_term", "dirs"]
+repl = ["internals", "rustyline", "ansi_term", "dirs"]
 vendored = [
   "async-native-tls/vendored",
   "async-smtp/native-tls-vendored",