Remove links to source code and make examples generic in migrating - attributes & blocks - force new (#418)

Author: bendbennett

website/docs/plugin/framework/migrating/attributes-blocks/force-new.mdx

@@ -60,25 +60,18 @@ the plan has already been modified.
 
 ## Example
 
-The following examples show how to migrate portions of the
-[random](https://github.com/hashicorp/terraform-provider-random) provider.
-
-For a complete example, clone the
-`terraform-random-provider` repository and compare the `resource_password.go` file in
-[v3.3.2](https://github.com/hashicorp/terraform-provider-random/blob/v3.3.2/internal/provider/resource_password.go)
-with the file [after the migration](https://github.com/hashicorp/terraform-provider-random/blob/04292d3e31f71ff16b82512082baed037bb1069c/internal/provider/resource_password.go).
-
 ### SDKv2
 
-The following example from the `resource_password.go` file shows the implementation of the `ForceNew` field of the
-`random_password` resource's `keepers` attribute with SDKv2.
+The following example shows the implementation of the `ForceNew` field of the
+`exampleResource` resource's `example_attribute` attribute with SDKv2.
 
 ```go
-func resourcePassword() *schema.Resource {
+func exampleResource() *schema.Resource {
     return &schema.Resource{
         Schema: map[string]*schema.Schema{
-            "keepers": {
+            "example_attribute": {
                 ForceNew: true,
+				Type:     schema.TypeMap,
                 /* ... */
             },
             /* ... */
@@ -92,14 +85,14 @@ func resourcePassword() *schema.Resource {
 
 The following shows the same section of provider code after the migration.
 
-This code forces the replacement of a `random_password` resource when the value of the `keepers` attribute is changed.
-The example does this using the `PlanModifiers` field within the `random_password` attribute's schema.
+This code forces the replacement of a `exampleResource` resource when the value of the `example_attribute` attribute is changed.
+The example does this using the `PlanModifiers` field within the `exampleResource` attribute's schema.
 
 ```go
-func (r *passwordResource) Schema(ctx context.Context, req resource.SchemaRequest, resp *resource.SchemaResponse) {
+func (r *exampleResource) Schema(ctx context.Context, req resource.SchemaRequest, resp *resource.SchemaResponse) {
     resp.Schema = schema.Schema{
         Attributes: map[string]schema.Attribute{
-            "keepers": schema.MapAttribute{
+            "example_attribute": schema.MapAttribute{
                 PlanModifiers: []planmodifier.Map{
                     mapplanmodifier.RequiresReplace(),
                 },