chore: remove blas dependency (#1973)

rust/lance/Cargo.toml

@@ -59,7 +59,6 @@ num_cpus.workspace = true
 datafusion.workspace = true
 datafusion-physical-expr.workspace = true
 lapack = { version = "0.19.0", optional = true }
-cblas = { version = "0.4.0", optional = true }
 lru_time_cache = "0.11"
 ordered-float = "3.6.0"
 snafu = { workspace = true }
@@ -74,24 +73,9 @@ tracing.workspace = true
 lazy_static = { workspace = true }
 async_cell = "0.2.2"
 
-[target.'cfg(target_os = "macos")'.dependencies]
-accelerate-src = { version = "0.3.2", optional = true }
-
-# docs.rs won't build with openblas-src, because it downloads file from internet.
-[target.'cfg(target_os = "linux")'.dependencies]
-openblas-src = { version = "0.10.8", default-features = false, features = [
-    "static",
-    "cblas",
-], optional = true }
-
 [target.'cfg(target_os = "linux")'.dev-dependencies]
 pprof.workspace = true
 
-[target.'cfg(target_os = "windows")'.dependencies]
-openblas-src = { version = "0.10.8", default-features = false, features = [
-    "system",
-], optional = true }
-
 # Need this so we can prevent dynamic linking in binaries (see cli feature)
 lzma-sys = { version = "0.1" }
 
@@ -116,7 +100,6 @@ tracing-chrome = "0.7.1"
 avx512fp16 = ["lance-linalg/avx512fp16"]
 # Prevent dynamic linking of lzma, which comes from datafusion
 cli = ["clap", "lzma-sys/static"]
-# opq = ["cblas", "lapack", "openblas-src", "accelerate-src"]
 tensorflow = ["tfrecord"]
 dynamodb = ["lance-table/dynamodb", "aws-sdk-dynamodb"]
 dynamodb_tests = ["dynamodb"]

rust/lance/src/index/vector.rs

@@ -22,8 +22,6 @@ pub mod diskann;
 #[allow(dead_code)]
 mod graph;
 pub mod ivf;
-#[cfg(feature = "opq")]
-pub mod opq;
 pub mod pq;
 mod traits;
 mod utils;
@@ -43,8 +41,6 @@ use self::{
 };
 
 use super::{pb, DatasetIndexInternalExt, IndexParams};
-#[cfg(feature = "opq")]
-use crate::index::vector::opq::{OPQIndex, OptimizedProductQuantizer};
 use crate::{
     dataset::Dataset,
     index::{