Delete .gitlab-ci.yml

.gitlab-ci.yml

-stages:
-	- build
-	- test
-
-build:
-	stage: build
-	script:
-		- echo "Building"
-		- mkdir build
-		- touch build/info.txt
-
-test:
-	stage: test
-	script:
-		- echo "Testing"
-		- test -f "build/"info.txt"