remove output-check Makefile target and CI job (#6366)

They haven't caught a problem in a long time.

Author: nwt

.github/workflows/ci.yaml

@@ -36,12 +36,3 @@ jobs:
       - run: mkdir dist -ea 0
       - run: go build -o dist ./cmd/...
       - run: go test -v ./mdtest
-  output-check:
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v5
-        with:
-          go-version-file: go.mod
-      - run: make install
-      - run: make output-check

.gitignore

@@ -1,6 +1,5 @@
 /bin/
 /dist/
-/zed-sample-data/
 node_modules/
 
 .idea

Makefile

@@ -29,13 +29,6 @@ tidy:
 	go mod tidy
 	git diff --exit-code -- go.mod go.sum
 
-SAMPLEDATA:=zed-sample-data/README.md
-
-$(SAMPLEDATA):
-	git clone --depth=1 https://github.com/brimdata/zed-sample-data $(@D)
-
-sampledata: $(SAMPLEDATA)
-
 bin/minio: Makefile
 	@curl -o $@ --compressed --create-dirs \
 		https://dl.min.io/server/minio/release/$$(go env GOOS)-$$(go env GOARCH)/archive/minio.RELEASE.2022-05-04T07-45-27Z
@@ -59,9 +52,6 @@ test-run: build bin/minio
 test-heavy: build
 	@PATH="$(CURDIR)/dist:$(PATH)" go test -tags=heavy ./mdtest
 
-output-check: build $(SAMPLEDATA)
-	scripts/output-check.sh
-
 build: $(PEG_DEP)
 	@mkdir -p dist
 	@go build -ldflags='$(LDFLAGS)' -o dist ./cmd/...
@@ -92,5 +82,5 @@ test-ci: fmt tidy vet test-generate test-unit test-system test-heavy
 clean:
 	@rm -rf dist
 
-.PHONY: fmt tidy vet test-unit test-system test-heavy sampledata test-ci
+.PHONY: fmt tidy vet test-unit test-system test-heavy test-ci
 .PHONY: build install clean generate test-generate