Remove RAL from 0.4 branch

Manually removing the RAL, since it's already been removed in master.
This is to ensure that we don't accidentally depend on something in
this 0.4 maintenance branch that isn't correctly reflected in our RAL
repo.

.github/workflows/rust.yml

@@ -3,33 +3,6 @@ name: All Checks
 on: [push, pull_request]
 
 jobs:
-  gen-ral:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: Install virtualenv
-        uses: actions/setup-python@v1
-        with:
-          python-version: 3.7
-      - name: Install Python dependencies
-        run: cd imxrt-ral && pip install -U -r requirements.txt
-      - name: Generate RAL
-        run: make -C imxrt-ral ci
-      - name: Ensure RAL is consistent with checked-in code
-        run: git update-index --refresh && git diff-index --quiet HEAD
-
-  build-ral:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        feature: ["imxrt1011", "imxrt1015", "imxrt1021", "imxrt1051", "imxrt1052", "imxrt1061", "imxrt1062", "imxrt1064"]
-    steps:
-    - uses: actions/checkout@v2
-    - name: Build imxrt-ral for (${{ matrix.feature }}) RAL
-      run: cd imxrt-ral && cargo build --verbose --features ${{ matrix.feature }}
-    - name: Run tests (${{ matrix.feature }}) for RAL
-      run: cd imxrt-ral && cargo test --verbose --features ${{ matrix.feature }}
-
   build-hal:
     runs-on: ubuntu-latest
     strategy:

Cargo.toml

@@ -1,6 +1,5 @@
 [workspace]
 members = [
-    "imxrt-ral",
     "imxrt-hal",
 
     "imxrt-iomuxc",

imxrt-hal/Cargo.toml

@@ -13,7 +13,7 @@ version = "0.4.1"
 [dependencies]
 as-slice = "0.1.3"
 cortex-m = { version = "0.6" }
-imxrt-ral = { version = "0.4.0", path = "../imxrt-ral" }
+imxrt-ral = "0.4.0"
 bitflags = "1.2.1"
 embedded-hal = "0.2.3"
 nb = "0.1.2"