feat: remove solang (#3824)

* feat: remove solang

solang is unmaintained. Removing dead code in prep for Anchor V1

* chore: fmt

* fix: clippy

Author: jacobcreech

.github/workflows/reusable-tests.yaml

@@ -462,9 +462,6 @@ jobs:
             path: tests/idl
           - cmd: cd tests/lazy-account && anchor test
             path: tests/lazy-account
-          # TODO: Enable when `solang` becomes compatible with the new IDL spec
-          # - cmd: cd tests/solang && anchor test
-          #   path: tests/solang
     steps:
       - uses: actions/checkout@v3
       - uses: ./.github/actions/setup/

Cargo.lock

@@ -40,8 +40,6 @@ solana-client = "2"
 solana-cli-config = "2"
 solana-faucet = "2"
 solana-sdk = "2"
-# Pin solang-parser because it may break in a backwards incompatible way in minor versions
-solang-parser = "=0.3.3"
 syn = { version = "1.0.60", features = ["full", "extra-traits"] }
 tar = "0.4.35"
 toml = "0.7.6"