Chore: remove unused deps (#4403)

## Describe your changes

Used `cargo +nightly udeps --all-targets --all-features` to detect
unused dependencies.

## Checklist before requesting a review

- [x] If this code contains consensus-breaking changes, I have added the
"consensus-breaking" label. Otherwise, I declare my belief that there
are not consensus-breaking changes, for the following reason:

  > Only affects cargo dependencies

crates/bench/Cargo.toml

@@ -79,7 +79,6 @@ criterion = {workspace = true, features = ["html_reports"]}
 decaf377-fmd = {workspace = true}
 decaf377-ka = {workspace = true}
 decaf377-rdsa = {workspace = true}
-penumbra-community-pool = {workspace = true, default-features = true}
 penumbra-dex = {workspace = true, default-features = true}
 penumbra-fee = {workspace = true, default-features = true}
 penumbra-governance = {workspace = true, default-features = true}

crates/core/component/auction/Cargo.toml

@@ -69,7 +69,6 @@ rand_chacha = {workspace = true}
 rand_core = {workspace = true}
 regex = {workspace = true}
 serde = {workspace = true, features = ["derive"]}
-serde_unit_struct = {workspace = true}
 serde_with = {workspace = true}
 sha2 = {workspace = true}
 tap = {workspace = true}

crates/core/component/compact-block/Cargo.toml

@@ -31,7 +31,6 @@ decaf377-rdsa = {workspace = true}
 futures = {workspace = true}
 im = {workspace = true}
 metrics = {workspace = true}
-penumbra-community-pool = {workspace = true, default-features = false}
 penumbra-dex = {workspace = true, default-features = false}
 penumbra-fee = {workspace = true, default-features = false}
 penumbra-governance = {workspace = true, default-features = false}

crates/core/component/governance/Cargo.toml

@@ -50,18 +50,13 @@ metrics = {workspace = true}
 once_cell = {workspace = true}
 pbjson-types = {workspace = true}
 penumbra-asset = {workspace = true, default-features = false}
-penumbra-auction = {workspace = true, default-features = false}
-penumbra-community-pool = {workspace = true, default-features = false}
 penumbra-distributions = {workspace = true, default-features = false}
-penumbra-fee = {workspace = true, default-features = false}
-penumbra-funding = {workspace = true, default-features = false}
 penumbra-ibc = {workspace = true, default-features = false}
 penumbra-keys = {workspace = true, default-features = false}
 penumbra-num = {workspace = true, default-features = false}
 penumbra-proof-params = {workspace = true, default-features = false}
 penumbra-proto = {workspace = true, default-features = false}
 penumbra-sct = {workspace = true, default-features = false}
-penumbra-dex = {workspace = true, default-features = false}
 penumbra-shielded-pool = {workspace = true, default-features = false}
 penumbra-stake = {workspace = true, default-features = false}
 penumbra-tct = {workspace = true, default-features = true}

crates/core/component/stake/Cargo.toml

@@ -11,7 +11,6 @@ component = [
     "penumbra-proto/rpc",
     "penumbra-sct/component",
     "penumbra-shielded-pool/component",
-    "penumbra-community-pool/component",
     "penumbra-distributions/component",
     "tokio",
     "im",
@@ -56,7 +55,6 @@ im = {workspace = true, optional = true}
 metrics = {workspace = true, optional = true}
 once_cell = {workspace = true}
 penumbra-asset = {workspace = true, default-features = false}
-penumbra-community-pool = {workspace = true, default-features = false}
 penumbra-distributions = {workspace = true, default-features = false}
 penumbra-keys = {workspace = true, default-features = false}
 penumbra-num = {workspace = true, default-features = false}

crates/crypto/proof-setup/Cargo.toml

@@ -29,7 +29,6 @@ ark-relations = {workspace = true}
 ark-serialize = {workspace = true}
 blake2b_simd = {workspace = true}
 decaf377 = {workspace = true, default-features = false}
-penumbra-community-pool = {workspace = true, features = ["component"], default-features = true}
 penumbra-dex = {workspace = true, default-features = true}
 penumbra-governance = {workspace = true, default-features = true}
 penumbra-proof-params = {workspace = true, default-features = true}

crates/misc/measure/Cargo.toml

@@ -15,7 +15,6 @@ anyhow = {workspace = true}
 bytesize = "1.2"
 clap = {workspace = true, features = ["derive", "env"]}
 indicatif = {workspace = true}
-penumbra-app = {workspace = true}
 penumbra-compact-block = {workspace = true, default-features = false}
 penumbra-proto = {workspace = true, features = ["rpc"], default-features = true}
 serde_json = {workspace = true}