Disable all the old tracing stuff.

Cargo.toml

@@ -9,6 +9,7 @@ repository = "https://code.fizz.buzz/talexander/organic"
 readme = "README.org"
 keywords = ["emacs", "org-mode"]
 categories = ["parsing"]
+resolver = "2"
 
 [lib]
 name = "organic"
@@ -21,18 +22,20 @@ path = "src/main.rs"
 
 [dependencies]
 nom = "7.1.1"
-opentelemetry = "0.17.0"
-opentelemetry-jaeger = "0.16.0"
-tracing = "0.1.37"
-tracing-opentelemetry = "0.17.2"
-tracing-subscriber = {version="0.3.16", features=["env-filter"]}
+tracing = { version = "0.1.37", optional = true }
+# opentelemetry = "0.17.0"
+# opentelemetry-jaeger = "0.16.0"
+# tracing = "0.1.37"
+# tracing-opentelemetry = "0.17.2"
+# tracing-subscriber = {version="0.3.16", features=["env-filter"]}
 
 [build-dependencies]
 walkdir = "2.3.3"
 
 [features]
-default = ["compare"]
+default = ["compare", "tracing"]
 compare = []
+tracing = ["dep:tracing"]
 
 [profile.release]
 lto = true