delete azure pipelines CI

.azure-pipelines.yml

@@ -1,47 +0,0 @@
-trigger:
-  - master
-
-jobs:
-- job: Build
-  timeoutInMinutes: 360
-  strategy:
-    matrix:
-      # windows:
-      #   imageName: 'vs2017-win2016'
-      mac:
-        imageName: 'macos-10.14'
-      linux:
-        imageName: 'ubuntu-16.04'
-
-  pool:
-    vmImage: $(imageName)
-
-  steps:
-    - bash: |
-        # Windows releases of LLVM don't include the llvm-nm tool, which is needed for building
-        # wasi-libc. Rust's llvm-tools include llvm-nm, and Rust is installed on Azure's Windows
-        # images, so we can use that to make llvm-nm available without too much overhead.
-        set -euo pipefail
-        rustup update stable
-        rustup default stable
-        rustup component add llvm-tools-preview
-        echo "##vso[task.setvariable variable=WASM_NM;]$(rustc --print sysroot|sed 's|C:|/c|'|sed 's|\\|/|g')/lib/rustlib/x86_64-pc-windows-msvc/bin/llvm-nm.exe"
-      displayName: Install llvm-nm (Windows)
-      condition: and(succeeded(), eq( variables['Agent.OS'], 'Windows_NT' ))
-    - script: |
-        choco install ninja
-      displayName: Install Ninja (Windows)
-      condition: and(succeeded(), eq( variables['Agent.OS'], 'Windows_NT' ))
-    - script: |
-        brew install ninja
-      displayName: Install Ninja (macOS)
-      condition: and(succeeded(), eq( variables['Agent.OS'], 'Darwin' ))
-    - script: |
-        sudo apt install ninja-build
-      displayName: Install Ninja (Linux)
-      condition: and(succeeded(), eq( variables['Agent.OS'], 'Linux' ))
-    - bash: |
-        set -euo pipefail
-        export PREFIX=`pwd`/out
-        make -j4
-      displayName: Build