chore: remove Azure SQL Edge support (retiring Sept 30, 2025)

.github/copilot-instructions.md

@@ -147,7 +147,7 @@ When adding new commands:
 
 The project supports creating SQL Server instances using Docker or Podman:
 - Container management is in `internal/container/`
-- Supports SQL Server and Azure SQL Edge images
+- Supports SQL Server images
 
 ## Localization
 

README.md

@@ -55,9 +55,9 @@ The Homebrew package manager may be used on Linux and Windows Subsystem for Linu
 | --------------------- | --------------------- |
 | `brew install sqlcmd` | `brew upgrade sqlcmd` |
 
-## Use sqlcmd to create local SQL Server and Azure SQL Edge instances
+## Use sqlcmd to create local SQL Server instances
 
-Use `sqlcmd` to create SQL Server and Azure SQL Edge instances using a local container runtime (e.g. [Docker][] or [Podman][])
+Use `sqlcmd` to create SQL Server instances using a local container runtime (e.g. [Docker][] or [Podman][])
 
 ### Create SQL Server instance using local container runtime and connect using Azure Data Studio
 

cmd/modern/root/install.go

@@ -26,12 +26,11 @@ func (c *Install) DefineCommand(...cmdparser.CommandOptions) {
 }
 
 // SubCommands sets up the sub-commands for `sqlcmd install` such as
-// `sqlcmd install mssql` and `sqlcmd install azsql-edge`
+// `sqlcmd install mssql`
 func (c *Install) SubCommands() []cmdparser.Command {
 	dependencies := c.Dependencies()
 
 	return []cmdparser.Command{
 		cmdparser.New[*install.Mssql](dependencies),
-		cmdparser.New[*install.Edge](dependencies),
 	}
 }

cmd/modern/root/uninstall_test.go

@@ -18,7 +18,7 @@ func TestUninstallWithUserDbPresent(t *testing.T) {
 
 	cmdparser.TestSetup(t)
 
-	cmdparser.TestCmd[*install.Edge](
+	cmdparser.TestCmd[*install.Mssql](
 		fmt.Sprintf(
 			`--accept-eula --port 1500 --errorlog-wait-line "Hello from Docker!" --registry %v --repo %v`,
 			registry,