Revert "Build doc in CI"

This reverts commit c844a43.

Author: Sh3Rm4n

.github/workflows/ci.yml

@@ -103,23 +103,6 @@ jobs:
           command: fmt
           args: --all -- --check
 
-  rustdoc:
-    name: Rust Doc
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          target: thumbv7em-none-eabihf
-          override: true
-          profile: minimal
-          components: rustfmt
-      - uses: actions-rs/cargo@v1
-        with:
-          command: doc
-          args: --features=stm32f303xc,rt,stm32-usbd,can
-
   codegen:
     name: Check Codegen
     runs-on: ubuntu-latest