drop "qtop" feature from qorb (#7803)

We don't seem to be using these functions in nexus-db-queries.

This removes one of the dropshot 0.12.0 dependency paths in Omicron.

Author: iliana

Cargo.lock

@@ -32,7 +32,7 @@ oxnet.workspace = true
 paste.workspace = true
 # See omicron-rpaths for more about the "pq-sys" dependency.
 pq-sys = "*"
-qorb = { workspace = true, features = [ "qtop" ] }
+qorb.workspace = true
 rand.workspace = true
 ref-cast.workspace = true
 schemars.workspace = true

nexus/db-queries/Cargo.toml

@@ -96,7 +96,6 @@ pkcs8 = { version = "0.10.2", default-features = false, features = ["encryption"
 postgres-types = { version = "0.2.9", default-features = false, features = ["with-chrono-0_4", "with-serde_json-1", "with-uuid-1"] }
 predicates = { version = "3.1.3" }
 proc-macro2 = { version = "1.0.94" }
-qorb = { version = "0.2.1", features = ["qtop"] }
 quote = { version = "1.0.39" }
 rand = { version = "0.8.5", features = ["small_rng"] }
 regex = { version = "1.11.1" }
@@ -219,7 +218,6 @@ pkcs8 = { version = "0.10.2", default-features = false, features = ["encryption"
 postgres-types = { version = "0.2.9", default-features = false, features = ["with-chrono-0_4", "with-serde_json-1", "with-uuid-1"] }
 predicates = { version = "3.1.3" }
 proc-macro2 = { version = "1.0.94" }
-qorb = { version = "0.2.1", features = ["qtop"] }
 quote = { version = "1.0.39" }
 rand = { version = "0.8.5", features = ["small_rng"] }
 regex = { version = "1.11.1" }