remove rug completely

Cargo.lock

@@ -43,12 +43,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
-[[package]]
-name = "az"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b7e4c2464d97fe331d41de9d5db0def0a96f4d823b8b32a2efd503578988973"
-
 [[package]]
 name = "base64"
 version = "0.12.3"
@@ -727,14 +721,6 @@ dependencies = [
  "syn 1.0.109",
 ]
 
-[[package]]
-name = "gmp-mpfr-sys"
-version = "1.5.3"
-dependencies = [
- "libc",
- "windows-sys 0.42.0",
-]
-
 [[package]]
 name = "h2"
 version = "0.3.19"
@@ -1771,15 +1757,6 @@ dependencies = [
  "xmlparser",
 ]
 
-[[package]]
-name = "rug"
-version = "1.19.2"
-dependencies = [
- "az",
- "gmp-mpfr-sys",
- "libc",
-]
-
 [[package]]
 name = "rustix"
 version = "0.37.20"
@@ -1899,7 +1876,6 @@ dependencies = [
  "ring",
  "ripemd160",
  "roxmltree",
- "rug",
  "rustyline",
  "ryu",
  "select",