refactor: remove dotfiles in prototyper

`.gitignore` in / and prototyper directoy doing the
same thing, and the others are already merged into /.

Signed-off-by: Woshiluo Luo <woshiluo.luo@outlook.com>

prototyper/.cargo/config.toml

@@ -1,5 +0,0 @@
-[alias]
-xtask = "run --package xtask --release --"
-prototyper = "xtask prototyper"
-test-kernel = "xtask test"
-bench-kernel = "xtask bench"

prototyper/.github/workflows/workflow.yml

@@ -1,49 +0,0 @@
-# This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
-# rust-clippy is a tool that runs a bunch of lints to catch common
-# mistakes in your Rust code and help improve your Rust code.
-# More details at https://github.com/rust-lang/rust-clippy
-# and https://rust-lang.github.io/rust-clippy/
-
-name: CI
-
-on:
-  pull_request:
-  push:
-    paths-ignore:
-      - '**.md'
-      - 'LICENSE'
-
-jobs:
-  rust-clippy-analyze:
-    name: Run rust-clippy analyzing
-    runs-on: ubuntu-latest
-    permissions:
-      security-events: write
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Check format
-        run: cargo fmt --check
-
-      - name: Run test
-        run: cargo test
-
-      - name: Install required cargo
-        run: cargo install clippy-sarif sarif-fmt
-
-      - name: Run rust-clippy
-        run: |
-          cargo clippy -p rustsbi-prototyper --target riscv64imac-unknown-none-elf  --message-format=json  | clippy-sarif | tee rust-clippy-results.sarif | sarif-fmt
-          cargo clippy -p rustsbi-test-kernel --target riscv64imac-unknown-none-elf --message-format=json  | clippy-sarif | tee rust-clippy-results.sarif | sarif-fmt
-          cargo clippy -p rustsbi-bench-kernel --target riscv64imac-unknown-none-elf --message-format=json | clippy-sarif | tee rust-clippy-results.sarif | sarif-fmt
-        continue-on-error: true
-
-      - name: Upload analysis results to GitHub
-        uses: github/codeql-action/upload-sarif@v3
-        with:
-          sarif_file: rust-clippy-results.sarif
-          wait-for-processing: true

prototyper/.gitignore

@@ -1,2 +0,0 @@
-/target
-.idea/*