remove itertools dependency

Cargo.lock

@@ -1291,15 +1291,6 @@ version = "1.70.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
 
-[[package]]
-name = "itertools"
-version = "0.14.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b192c782037fadd9cfa75548310488aabdbf3d2da73885b31bd0abd03351285"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itoa"
 version = "1.0.15"
@@ -3012,7 +3003,6 @@ dependencies = [
  "hotwatch",
  "html5ever 0.31.0",
  "include_dir",
- "itertools",
  "kuchikiki",
  "lol_html",
  "minifier",