Remove CI files

.circleci/config.yml

@@ -1,20 +0,0 @@
-
-version: 2
-jobs:
-  build:
-    docker:
-      - image: circleci/golang:1.13
-
-    working_directory: /go/src/github.com/Bios-Marcel/cordless
-    steps:
-      - checkout
-
-      - run: go get -v -t -d ./...
-      - run: go vet ./...
-      - run: go test -race -coverprofile=profile.out -covermode=atomic ./...
-      - run: bash <(curl -s https://codecov.io/bash) -f profile.out
-      - run: go build
-
-      - store_artifacts:
-          path: /go/src/github.com/Bios-Marcel/cordless/cordless
-          destination: cordless

.travis.yml

@@ -1,5 +0,0 @@
-os: osx
-language: go
-go:
-  - "1.13"
-script: go test -race ./...

appveyor.yml

@@ -1,19 +0,0 @@
-clone_folder: c:\gopath\src\github.com\Bios-Marcel\cordless
-
-environment:
-  GOPATH: c:\gopath
-  GO111MODULE: on
-build: off
-stack: go 1.13
-
-artifacts:
-  - path: cordless.exe
-    name: cordless.exe
-
-build_script:
-  - go get -v -d ./...
-  - go build -o cordless.exe
-
-test_script:
-  - go vet ./...
-  - go test ./...