Remove obsolete CI script.

.appveyor.yml

@@ -1,29 +0,0 @@
-version: '{build}'
-platform:
-  - x64
-image:
-  - Visual Studio 2019
-  - Ubuntu1804
-install:
-  - cmd: cd c:\tools\vcpkg
-  - cmd: git pull
-  - cmd: bootstrap-vcpkg.bat
-  - cmd: vcpkg install freetype glfw3 capstone[core,arm,arm64,x86] --triplet x64-windows-static
-  - cmd: vcpkg integrate install
-  - cmd: cd %APPVEYOR_BUILD_FOLDER%
-build_script:
-  - cmd: msbuild .\update\build\win32\update.vcxproj
-  - cmd: msbuild .\profiler\build\win32\Tracy.vcxproj
-  - cmd: msbuild .\capture\build\win32\capture.vcxproj
-  - cmd: msbuild .\csvexport\build\win32\csvexport.vcxproj
-  - cmd: msbuild .\library\win32\TracyProfiler.vcxproj /property:Configuration=Release
-  - sh: sudo apt-get update && sudo apt-get -y install libglfw3-dev libgtk2.0-dev libcapstone-dev
-  - sh: make -C update/build/unix debug release
-  - sh: make -C profiler/build/unix debug release
-  - sh: make -C capture/build/unix debug release
-  - sh: make -C csvexport/build/unix debug release
-  - sh: make -C library/unix debug release
-  - sh: make -C test
-  - sh: make -C test clean
-  - sh: make -C test TRACYFLAGS=-DTRACY_ON_DEMAND
-test: off