Remove retain_mut dep (#25494)

Cargo.lock

@@ -3656,12 +3656,6 @@ dependencies = [
  "winreg",
 ]
 
-[[package]]
-name = "retain_mut"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c31b5c4033f8fdde8700e4657be2c497e7288f01515be52168c631e2e4d4086"
-
 [[package]]
 name = "ring"
 version = "0.16.20"
@@ -4758,7 +4752,6 @@ dependencies = [
  "raptorq",
  "rayon",
  "reqwest",
- "retain_mut",
  "rustc_version 0.4.0",
  "serde",
  "serde_derive",

core/Cargo.toml

@@ -32,7 +32,6 @@ min-max-heap = "1.3.0"
 rand = "0.7.0"
 rand_chacha = "0.2.2"
 rayon = "1.5.3"
-retain_mut = "0.1.7"
 serde = "1.0.137"
 serde_derive = "1.0.103"
 solana-address-lookup-table-program = { path = "../programs/address-lookup-table", version = "=1.11.0" }

programs/bpf/Cargo.lock

@@ -3240,12 +3240,6 @@ dependencies = [
  "winreg",
 ]
 
-[[package]]
-name = "retain_mut"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c31b5c4033f8fdde8700e4657be2c497e7288f01515be52168c631e2e4d4086"
-
 [[package]]
 name = "ring"
 version = "0.16.20"
@@ -4405,7 +4399,6 @@ dependencies = [
  "rand 0.7.3",
  "rand_chacha 0.2.2",
  "rayon",
- "retain_mut",
  "rustc_version",
  "serde",
  "serde_derive",