Remove unused `StableHashingContext::node_to_hir_id` method
Remove unused `StableHashingContext::node_to_hir_id` method

aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust