refactor(ksud): refactor ksud's kpm

- remove useless code
- ignore create dir all return
- when kpm file delete failed, return Error

userspace/ksud/Cargo.lock

@@ -594,16 +594,6 @@ dependencies = [
  "miniz_oxide",
 ]
 
-[[package]]
-name = "fs4"
-version = "0.13.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8640e34b88f7652208ce9e88b1a37a2ae95227d84abec377ccd3c5cfeb141ed4"
-dependencies = [
- "rustix 1.0.7",
- "windows-sys 0.59.0",
-]
-
 [[package]]
 name = "fsevent-sys"
 version = "4.1.0"
@@ -849,7 +839,6 @@ dependencies = [
  "encoding_rs",
  "env_logger",
  "extattr",
- "fs4",
  "getopts",
  "humansize",
  "is_executable",
@@ -859,10 +848,10 @@ dependencies = [
  "log",
  "nom",
  "notify",
- "procfs",
  "regex-lite",
  "rust-embed",
  "rustix 0.38.34",
+ "serde",
  "serde_json",
  "sha1",
  "sha256",
@@ -1085,31 +1074,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "procfs"
-version = "0.17.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc5b72d8145275d844d4b5f6d4e1eef00c8cd889edb6035c21675d1bb1f45c9f"
-dependencies = [
- "bitflags 2.8.0",
- "chrono",
- "flate2",
- "hex",
- "procfs-core",
- "rustix 0.38.44",
-]
-
-[[package]]
-name = "procfs-core"
-version = "0.17.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "239df02d8349b06fc07398a3a1697b06418223b1c7725085e801e7c0fc6a12ec"
-dependencies = [
- "bitflags 2.8.0",
- "chrono",
- "hex",
-]
-
 [[package]]
 name = "quote"
 version = "1.0.40"
@@ -1221,19 +1185,6 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "rustix"
-version = "0.38.44"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fdb5bc1ae2baa591800df16c9ca78619bf65c0488b41b96ccec5d11220d8c154"
-dependencies = [
- "bitflags 2.8.0",
- "errno 0.3.10",
- "libc",
- "linux-raw-sys 0.4.15",
- "windows-sys 0.59.0",
-]
-
 [[package]]
 name = "rustix"
 version = "1.0.7"