Drop num_integer crate

Cargo.lock

@@ -119,7 +119,6 @@ dependencies = [
  "itertools",
  "lazy_static",
  "nom",
- "num-integer",
  "num_cpus",
  "num_enum",
  "once_cell",
@@ -2494,16 +2493,6 @@ dependencies = [
  "itoa",
 ]
 
-[[package]]
-name = "num-integer"
-version = "0.1.45"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
-dependencies = [
- "autocfg",
- "num-traits",
-]
-
 [[package]]
 name = "num-traits"
 version = "0.2.15"

rslib/Cargo.toml

@@ -77,7 +77,6 @@ id_tree = "1.8.0"
 itertools = "0.10.5"
 lazy_static = "1.4.0"
 nom = "7.1.3"
-num-integer = "0.1.45"
 num_cpus = "1.15.0"
 num_enum = "0.6.1"
 once_cell = "1.17.1"

rslib/src/notes/mod.rs

@@ -9,7 +9,6 @@ use std::collections::HashSet;
 
 use anki_proto::notes::note_fields_check_response::State as NoteFieldsState;
 use itertools::Itertools;
-use num_integer::Integer;
 use sha1::Digest;
 use sha1::Sha1;
 
@@ -312,7 +311,8 @@ fn anki_base91(n: u64) -> String {
 pub fn to_base_n(mut n: u64, table: &[u8]) -> String {
     let mut buf = String::new();
     while n > 0 {
-        let (q, r) = n.div_rem(&(table.len() as u64));
+        let tablelen = table.len() as u64;
+        let (q, r) = (n / tablelen, n % tablelen);
         buf.push(table[r as usize] as char);
         n = q;
     }