Remove: Android target

Failing due to not locating libunwind
This is related to: cross-rs/cross#1128
There are workarounds here: rust-lang/rust#85806 (comment)
Someone might want to try implement it later
For now I'm pulling the android compiles

Author: mberry

.github/workflows/cross.yml

@@ -9,7 +9,6 @@ jobs:
     strategy:
       matrix:
         target: [
-          aarch64-linux-android, 
           aarch64-unknown-linux-gnu,
           aarch64-unknown-linux-musl,
           arm-unknown-linux-gnueabi,
@@ -23,21 +22,9 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - name: Setup Cross Configuration
-        shell: bash
-        run: echo -e "[build]\nbuild-std =true" > Cross.toml
-
-      - name: Install Toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          target: ${{ matrix.target }}
-          override: true
-
       - name: Cross Compile Tests ${{ matrix.target }} ${{ matrix.feature }} ${{ matrix.opt }}
         uses: actions-rs/cargo@v1.0.1
         with:
           use-cross: true
           command: test
-          args: --target ${{ matrix.target }} --features "std ${{ matrix.feature }} ${{ matrix.opt }}" 
+          args: --target ${{ matrix.target }} --features "${{ matrix.feature }} ${{ matrix.opt }}"