Revert mtp ffs changes

/dev/usb-ffs/mtp doesn't exist at all =(

.github/workflows/by511.yml

@@ -2,7 +2,6 @@ name: (5)Compile TWRP by omnirom 5.1.1
 on:
   push:
     branches: [ 'twrp-5.1' ]
-  workflow_dispatch:
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -18,14 +17,14 @@ jobs:
           sudo chmod +x /usr/bin/repo
           # sudo apt remove -yq openjdk*
           sudo apt update
-          sudo apt install -yq bc bison build-essential curl flex g++-multilib gcc-multilib git gnupg gperf imagemagick lib32ncurses5-dev lib32readline-dev lib32z1-dev liblz4-tool libncurses5 libncurses5-dev libsdl1.2-dev libssl-dev libxml2 libxml2-utils lzop pngcrush rsync schedtool squashfs-tools xsltproc zip zlib1g-dev python bash ccache python3
+          sudo apt install -yq bc bison build-essential curl flex g++-multilib gcc-multilib git gnupg gperf imagemagick lib32ncurses5-dev lib32readline-dev lib32z1-dev liblz4-tool libncurses5 libncurses5-dev libsdl1.2-dev libssl-dev libxml2 libxml2-utils lzop pngcrush rsync schedtool squashfs-tools xsltproc zip zlib1g-dev python bash ccache
           git config --global user.email "[email protected]"
           git config --global user.name "xunmod@bot"
           sudo su -c 'echo "deb http://security.debian.org/debian-security buster/updates main" >> /etc/apt/sources.list' root
           sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 112695A0E562B32A 54404762BBB6E853
           sudo apt update
           sudo apt install libc6 libc6-dev -y
-      - uses: actions/setup-java@v4
+      - uses: actions/setup-java@v3
         with:
           distribution: 'zulu'
           java-version: '8'
@@ -36,18 +35,17 @@ jobs:
           repo init --depth=1 -u https://github.com/minimal-manifest-twrp/platform_manifest_twrp_omni.git -b twrp-5.1
           repo sync -c -f --no-tags --no-clone-bundle -j$(nproc --all)
       - name: Setup device
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
         with:
           path: 'twrp/device/Xiaoxun'
       - name: Build
         shell: bash
         run: |
-          sudo rm -f /usr/bin/python /usr/local/bin/python
+          sudo rm -f /usr/bin/python /usr/bin/python3.6 /usr/bin/python3.6m /usr/local/bin/python
           sudo ln -sf /usr/bin/python2.7 /usr/bin/python
           cd $GITHUB_WORKSPACE/twrp
           source build/envsetup.sh
           lunch omni_sl8521e_1h10ll_sw761-eng
-          ls system/extras/libasyncio || exit 1
           mka -j$(nproc --all) recoveryimage
           export twrp_version=$(cat bootable/recovery/variables.h | grep "define TW_MAIN_VERSION_STR" | cut -d '"' -f2)
           cp out/target/product/sl8521e_1h10ll_sw761/recovery.img ../twrp-${twrp_version}_0-sl8521e_1h10ll_sw761.img
@@ -57,15 +55,15 @@ jobs:
           lunch omni_sl8521e_1h10ll_sw771-eng
           mka -j$(nproc --all) recoveryimage
           cp out/target/product/sl8521e_1h10ll_sw771/recovery.img ../twrp-${twrp_version}_0-sl8521e_1h10ll_sw771.img
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v3
         with:
           name: TWRP Image for MiKids4
           path: 'twrp-*_sw761.img'
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v3
         with:
           name: TWRP Image for MiKids4x
           path: 'twrp-*_sw763.img'
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v3
         with:
           name: TWRP Image for MiKids6x
           path: 'twrp-*_sw771.img'