Remove experimental (broken) packer_build data source

It does not really do what it is designed to do. While it works in some
cases, it does not look like it can be used for its indended purpose.

Since this is an experimental feature, it will be removed now without
prior notice.

examples/main.tf

@@ -53,10 +53,6 @@ resource "packer_image" "image2" {
   }
 }
 
-data "packer_build" "image2_wait" {
-  name = random_string.random.result
-}
-
 output "packer_version" {
   value = data.packer_version.version.version
 }
@@ -69,10 +65,6 @@ output "build_uuid_2" {
   value = resource.packer_image.image2.build_uuid
 }
 
-output "build_wait_uuid_2" {
-  value = data.packer_build.image2_wait.uuid
-}
-
 output "file_hash_1" {
   value = data.packer_files.files1.files_hash
 }

provider/provider.go

@@ -54,6 +54,5 @@ func (p *tfProvider) GetDataSources(_ context.Context) (map[string]provider.Data
 	return map[string]provider.DataSourceType{
 		"packer_version": dataSourceVersionType{},
 		"packer_files":   dataSourceFilesType{},
-		"packer_build":   dataSourceBuildType{},
 	}, nil
 }

provider/resource_packer_image.go

@@ -180,11 +180,6 @@ func (r resourceImage) Create(ctx context.Context, req resource.CreateRequest, r
 		return
 	}
 
-	if err := state.StartBuild(&resourceState); err != nil {
-		resp.Diagnostics.AddError("Failed to mark build as started", err.Error())
-		return
-	}
-
 	err := r.packerInit(&resourceState)
 	if err != nil {
 		resp.Diagnostics.AddError("Failed to run packer init", err.Error())
@@ -201,9 +196,6 @@ func (r resourceImage) Create(ctx context.Context, req resource.CreateRequest, r
 		return
 	}
 
-	state.RefreshBuildData(&resourceState)
-	state.CompleteBuild(resourceState.Name.Value, true)
-
 	diags = resp.State.Set(ctx, &resourceState)
 	resp.Diagnostics.Append(diags...)
 	if resp.Diagnostics.HasError() {
@@ -219,10 +211,6 @@ func (r resourceImage) Read(ctx context.Context, req resource.ReadRequest, resp
 		return
 	}
 
-	if !resourceState.Name.Null {
-		state.RefreshBuildData(&resourceState)
-	}
-
 	diags = resp.State.Set(ctx, &resourceState)
 	resp.Diagnostics.Append(diags...)
 	if resp.Diagnostics.HasError() {
@@ -245,11 +233,6 @@ func (r resourceImage) Update(ctx context.Context, req resource.UpdateRequest, r
 		return
 	}
 
-	if err := state.StartBuild(&resourceState); err != nil {
-		resp.Diagnostics.AddError("Failed to mark build as started", err.Error())
-		return
-	}
-
 	err := r.packerInit(&plan)
 	if err != nil {
 		resp.Diagnostics.AddError("Failed to run packer init", err.Error())
@@ -266,9 +249,6 @@ func (r resourceImage) Update(ctx context.Context, req resource.UpdateRequest, r
 		return
 	}
 
-	state.RefreshBuildData(&plan)
-	state.CompleteBuild(resourceState.Name.Value, true)
-
 	diags = resp.State.Set(ctx, plan)
 	resp.Diagnostics.Append(diags...)
 	if resp.Diagnostics.HasError() {