chore(BOUN-1246): boundary nodes massive cleanup (#1771)

Removes:
- `icx-proxy`
- `certificate-syncer`
- `denylist-updater`
- `nginx`-related stuff

---------

Co-authored-by: IDX GitHub Automation <[email protected]>

Cargo.Bazel.Fuzzing.toml.lock

@@ -547,7 +547,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc1835b7f27878de8525dc71410b5a31cdcc5f230aed5ba5df968e09c201b23d"
 dependencies = [
  "anstyle",
- "bstr 1.8.0",
+ "bstr",
  "doc-comment",
  "libc",
  "predicates",
@@ -1500,17 +1500,6 @@ dependencies = [
  "tinyvec",
 ]
 
-[[package]]
-name = "bstr"
-version = "0.2.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba3569f383e8f1598449f1a423e72e99569137b47740b1da11ef19af3d5c3223"
-dependencies = [
- "lazy_static",
- "memchr",
- "regex-automata 0.1.10",
-]
-
 [[package]]
 name = "bstr"
 version = "1.8.0"
@@ -3117,14 +3106,12 @@ dependencies = [
  "http 1.1.0",
  "http-body 1.0.1",
  "http-body-util",
- "httptest",
  "humantime",
  "humantime-serde",
  "hyper 1.4.1",
  "hyper-rustls 0.27.2",
  "hyper-socks2",
  "hyper-util",
- "hyperlocal-next",
  "ic-agent",
  "ic-bn-lib",
  "ic-btc-interface",
@@ -3264,7 +3251,6 @@ dependencies = [
  "rustc-demangle",
  "rustc-hash 1.1.0",
  "rustls 0.23.12",
- "rustls-native-certs 0.7.0",
  "rustls-pemfile 2.1.2",
  "rustls-pki-types",
  "rustversion",
@@ -4717,28 +4703,6 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
 
-[[package]]
-name = "httptest"
-version = "0.15.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6f25cfb6def593d43fae1ead24861f217e93bc70768a45cc149a69b5f049df4"
-dependencies = [
- "bstr 0.2.17",
- "bytes",
- "crossbeam-channel",
- "form_urlencoded",
- "futures",
- "http 0.2.12",
- "hyper 0.14.27",
- "log",
- "once_cell",
- "regex",
- "serde",
- "serde_json",
- "serde_urlencoded",
- "tokio",
-]
-
 [[package]]
 name = "humansize"
 version = "2.1.3"
@@ -4925,21 +4889,6 @@ dependencies = [
  "tracing",
 ]
 
-[[package]]
-name = "hyperlocal-next"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "acf569d43fa9848e510358c07b80f4adf34084ddc28c6a4a651ee8474c070dcc"
-dependencies = [
- "hex",
- "http-body-util",
- "hyper 1.4.1",
- "hyper-util",
- "pin-project-lite",
- "tokio",
- "tower-service",
-]
-
 [[package]]
 name = "iana-time-zone"
 version = "0.1.59"