Remove unused metadata-related things

src-tauri/Cargo.lock

@@ -719,7 +719,6 @@ dependencies = [
  "http",
  "hudsucker",
  "is_elevated",
- "libloading",
  "once_cell",
  "open",
  "rcgen",
@@ -1887,16 +1886,6 @@ dependencies = [
  "pkg-config",
 ]
 
-[[package]]
-name = "libloading"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "efbc0f03f9a775e9f6aed295c6a1ba2253c5757a9e03d55c6caa46a681abcddd"
-dependencies = [
- "cfg-if 1.0.0",
- "winapi",
-]
-
 [[package]]
 name = "line-wrap"
 version = "0.1.1"