Remove flag generation

.travis.yml

@@ -16,16 +16,13 @@ cache:
     - node_modules
 
 before_script:
-  - go get github.com/shurcooL/vfsgen || true
-  - go get github.com/shurcooL/httpfs/union || true
   - go get github.com/urfave/gfmrun/... || true
   - go get golang.org/x/tools/cmd/goimports
   - if [ ! -f node_modules/.bin/markdown-toc ] ; then
       npm install markdown-toc ;
     fi
 
 script:
-  - go run build.go generate
   - go run build.go vet
   - go run build.go test
   - go run build.go gfmrun

appveyor.yml

@@ -14,13 +14,10 @@ install:
   - set PATH=%GOPATH%\bin;C:\go\bin;%PATH%
   - go version
   - go env
-  - go get github.com/shurcooL/vfsgen
-  - go get github.com/shurcooL/httpfs/union
   - go get github.com/urfave/gfmrun/...
   - go get -v -t ./...
 
 build_script:
-  - go run build.go generate
   - go run build.go vet
   - go run build.go test
   - go run build.go gfmrun

build.go

@@ -40,10 +40,6 @@ func main() {
 			Name:   "toc",
 			Action: TocActionFunc,
 		},
-		cli.Command{
-			Name:   "generate",
-			Action: GenActionFunc,
-		},
 	}
 
 	err := app.Run(os.Args)
@@ -166,22 +162,3 @@ func TocActionFunc(_ *cli.Context) error {
 
 	return nil
 }
-
-func GenActionFunc(_ *cli.Context) error {
-	err := runCmd("go", "generate", "flag-gen/main.go")
-	if err != nil {
-		return err
-	}
-
-	err = runCmd("go", "generate", "cli.go")
-	if err != nil {
-		return err
-	}
-
-	err = runCmd("git", "diff", "--exit-code")
-	if err != nil {
-		return err
-	}
-
-	return nil
-}