Revert "Fix bad merge that caused reoccurance of 'Failed to create terminal for task'"

This was a mistake. There wasn't a bad merge.
This reverts commit 185e7002.

src/vs/workbench/contrib/tasks/common/taskConfiguration.ts

@@ -930,9 +930,6 @@ namespace CommandConfiguration {
 
 	function fromBase(this: void, config: BaseCommandConfiguationShape, context: ParseContext): Tasks.CommandConfiguration | undefined {
 		let name: Tasks.CommandString | undefined = ShellString.from(config.command);
-		if (name === undefined) {
-			return undefined;
-		}
 		let runtime: Tasks.RuntimeType;
 		if (Types.isString(config.type)) {
 			if (config.type === 'shell' || config.type === 'process') {