component: remove classic module.* components

Remove the deprecated classic module.* components. The files have been
moved to testcomponents/ as there are still valuable tests that depend
on them; these can be removed in the future.

internal/component/all/all.go

@@ -57,10 +57,6 @@ import (
 	_ "github.com/grafana/agent/internal/component/loki/source/windowsevent"                 // Import loki.source.windowsevent
 	_ "github.com/grafana/agent/internal/component/loki/write"                               // Import loki.write
 	_ "github.com/grafana/agent/internal/component/mimir/rules/kubernetes"                   // Import mimir.rules.kubernetes
-	_ "github.com/grafana/agent/internal/component/module/file"                              // Import module.file
-	_ "github.com/grafana/agent/internal/component/module/git"                               // Import module.git
-	_ "github.com/grafana/agent/internal/component/module/http"                              // Import module.http
-	_ "github.com/grafana/agent/internal/component/module/string"                            // Import module.string
 	_ "github.com/grafana/agent/internal/component/otelcol/auth/basic"                       // Import otelcol.auth.basic
 	_ "github.com/grafana/agent/internal/component/otelcol/auth/bearer"                      // Import otelcol.auth.bearer
 	_ "github.com/grafana/agent/internal/component/otelcol/auth/headers"                     // Import otelcol.auth.headers

internal/flow/componenttest/testfailmodule.go

@@ -5,8 +5,8 @@ import (
 	"fmt"
 
 	"github.com/grafana/agent/internal/component"
-	mod "github.com/grafana/agent/internal/component/module"
 	"github.com/grafana/agent/internal/featuregate"
+	mod "github.com/grafana/agent/internal/flow/internal/testcomponents/module"
 )
 
 func init() {

internal/flow/import_test.go

@@ -18,7 +18,7 @@ import (
 	"github.com/stretchr/testify/require"
 	"golang.org/x/tools/txtar"
 
-	_ "github.com/grafana/agent/internal/component/module/string"
+	_ "github.com/grafana/agent/internal/flow/internal/testcomponents/module/string"
 )
 
 // The tests are using the .txtar files stored in the testdata folder.

internal/component/module/file/file.go → internal/flow/internal/testcomponents/module/file/file.go

@@ -8,8 +8,8 @@ import (
 
 	"github.com/grafana/agent/internal/component"
 	"github.com/grafana/agent/internal/component/local/file"
-	"github.com/grafana/agent/internal/component/module"
 	"github.com/grafana/agent/internal/featuregate"
+	"github.com/grafana/agent/internal/flow/internal/testcomponents/module"
 	"github.com/grafana/river/rivertypes"
 )
 

internal/component/module/git/git.go → internal/flow/internal/testcomponents/module/git/git.go

@@ -11,8 +11,8 @@ import (
 
 	"github.com/go-kit/log"
 	"github.com/grafana/agent/internal/component"
-	"github.com/grafana/agent/internal/component/module"
 	"github.com/grafana/agent/internal/featuregate"
+	"github.com/grafana/agent/internal/flow/internal/testcomponents/module"
 	"github.com/grafana/agent/internal/flow/logging/level"
 	"github.com/grafana/agent/internal/vcs"
 )

internal/component/module/http/http.go → internal/flow/internal/testcomponents/module/http/http.go

@@ -7,9 +7,9 @@ import (
 	"go.uber.org/atomic"
 
 	"github.com/grafana/agent/internal/component"
-	"github.com/grafana/agent/internal/component/module"
 	remote_http "github.com/grafana/agent/internal/component/remote/http"
 	"github.com/grafana/agent/internal/featuregate"
+	"github.com/grafana/agent/internal/flow/internal/testcomponents/module"
 	"github.com/grafana/river/rivertypes"
 )
 

internal/component/module/string/string.go → internal/flow/internal/testcomponents/module/string/string.go

@@ -4,8 +4,8 @@ import (
 	"context"
 
 	"github.com/grafana/agent/internal/component"
-	"github.com/grafana/agent/internal/component/module"
 	"github.com/grafana/agent/internal/featuregate"
+	"github.com/grafana/agent/internal/flow/internal/testcomponents/module"
 	"github.com/grafana/river/rivertypes"
 )
 

internal/flow/module_eval_test.go

@@ -24,7 +24,7 @@ import (
 	"github.com/stretchr/testify/require"
 	"go.uber.org/goleak"
 
-	_ "github.com/grafana/agent/internal/component/module/string"
+	_ "github.com/grafana/agent/internal/flow/internal/testcomponents/module/string"
 )
 
 func TestUpdates_EmptyModule(t *testing.T) {