Remove rand dependency

Cargo.lock

@@ -506,7 +506,6 @@ dependencies = [
  "kuska-handshake",
  "kuska-sodiumoxide",
  "kuska-ssb",
- "rand",
  "serde",
  "serde_json",
 ]
@@ -713,12 +712,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "ppv-lite86"
-version = "0.2.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.32"
@@ -737,46 +730,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rand"
-version = "0.8.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8"
-dependencies = [
- "libc",
- "rand_chacha",
- "rand_core",
- "rand_hc",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
-dependencies = [
- "ppv-lite86",
- "rand_core",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.6.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
-dependencies = [
- "getrandom",
-]
-
-[[package]]
-name = "rand_hc"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7"
-dependencies = [
- "rand_core",
-]
-
 [[package]]
 name = "redox_syscall"
 version = "0.2.10"

Cargo.toml

@@ -15,5 +15,4 @@ kuska-sodiumoxide = "0.2.5-0"
 kuska-ssb = { path = "../ssb" }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
-async-stream = "0.3.2"
-rand = "0.8.4"
+async-stream = "0.3.2"