Drop fromwat and wabt as a dependency

Author: axic

.circleci/config.yml

@@ -36,13 +36,11 @@ jobs:
              cargo build --release
              # Explicitly move into the libchisel directory to properly build with features
              # FIXME: make this work in workspace
-             cd libchisel && cargo build --release --features wabt && cd ..
              cd libchisel && cargo build --release --features binaryen && cd ..
       - run:
           name: Test
           command: |
              cargo test
              # Explicitly move into the libchisel directory to properly build with features
              # FIXME: make this work in workspace
-             cd libchisel && cargo test --features wabt && cd ..
              cd libchisel && cargo test --features binaryen && cd ..

libchisel/Cargo.toml

@@ -14,7 +14,6 @@ edition = "2018"
 binaryen = { version = "0.8", optional = true }
 parity-wasm = "^0.40.2"
 failure = "0.1.5"
-wabt = { version = "0.8.0", optional = true }
 wasm-snip = "0.2.0"
 
 [features]

libchisel/src/fromwat.rs

@@ -10,8 +10,6 @@ pub mod checkfloat;
 pub mod checkstartfunc;
 pub mod deployer;
 pub mod dropsection;
-#[cfg(feature = "wabt")]
-pub mod fromwat;
 pub mod remapimports;
 pub mod remapstart;
 pub mod repack;