[ci] remove nix in stack.yaml

.gitlab-ci.yml

@@ -42,33 +42,3 @@ test:
     - stack test --no-terminal --fast
 
       # TOOO
-#unit-test:
-#  stage: test
-#  script:
-#    - make test-unit
-#
-#int-test:
-#  stage: test
-#  script:
-#    - make test-int
-#
-#e2e-test:
-#  stage: test
-#  script:
-#    - make test-e2e
-#
-
-# If you find yourself with a non-sensical build error when you know your project should be building just fine, this fragment should help:
-#
-#build:
-#  stage: build
-#  script:
-#    # Clear out cache files
-#    - rm -rf .stack
-#    - rm -rf .stack-work
-#    - stack setup --system-ghc
-#    - stack install --local-bin-path target --system-ghc
-
-
-
-

stack.yaml

@@ -20,7 +20,7 @@ docker:
 skip-ghc-check: true
 
 nix:
-  enable: true
+  enable: false
   add-gc-roots: true
   shell-file: nix/stack-shell.nix