Remove oak_sources crate

Author: DavisVaughan

Cargo.lock

@@ -86,7 +86,6 @@ oak_r_process = { path = "crates/oak_r_process" }
 oak_scan = { path = "crates/oak_scan" }
 oak_semantic = { path = "crates/oak_semantic" }
 oak_source = { path = "crates/oak_source" }
-oak_sources = { path = "crates/oak_sources" }
 oak_srcref = { path = "crates/oak_srcref" }
 once_cell = "1.21.4"
 parking_lot = "0.12.5"

Cargo.toml

@@ -56,7 +56,6 @@ oak_package_metadata.workspace = true
 oak_scan.workspace = true
 oak_semantic.workspace = true
 oak_source.workspace = true
-oak_sources.workspace = true
 oak_srcref.workspace = true
 once_cell.workspace = true
 regex.workspace = true

crates/ark/Cargo.toml

@@ -36,7 +36,7 @@ pub enum ImportLayer {
 /// first, so `stats` is highest-priority and `base` is lowest).
 /// Materialised as `Package` layers; packages absent from the
 /// workspace and library roots drop out (the LSP fills them in later
-/// via `oak_sources`).
+/// via its source handler).
 const DEFAULT_SEARCH_PATH: [&str; 7] = [
     "stats",
     "graphics",