chore: cleanup

.cargo/config

@@ -1,2 +0,0 @@
-[build]
-target-dir = "build\\temp.win-amd64-3.7\\ed_lrr_gui"

appveyor.yml

@@ -1,23 +0,0 @@
-image: Visual Studio 2019
-platform: x64
-version: 0.1.{build}
-branches:
-  only:
-  - pyqt_gui
-
-environment:
-  VCVARS: C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvarsall.bat
-  VCVARSARG: x64
-
-install:
-  - appveyor DownloadFile https://win.rustup.rs/ -FileName rustup-init.exe
-  - rustup-init -yv --default-toolchain nightly --default-host x86_64-pc-windows-msvc
-  - pip install tox
-
-
-before_build:
-  - if defined VCVARS call "%VCVARS%" %VCVARSARG%
-  - conda activate
-
-test_script:
-  - tox