Revert "fix(@schematics/angular): add MCP configuration file to new workspaces"

This reverts commit 7a52e3c.

This is a feature and modifies `ng new` output which should be limited to minor or major releases, not patch releases.

Author: dgp1130

packages/schematics/angular/workspace/files/__dot__gitignore.template

@@ -26,7 +26,6 @@ yarn-error.log
 !.vscode/tasks.json
 !.vscode/launch.json
 !.vscode/extensions.json
-!.vscode/mcp.json
 .history/*
 
 # Miscellaneous

packages/schematics/angular/workspace/files/__dot__vscode/mcp.json.template

@@ -29,7 +29,6 @@ describe('Workspace Schematic', () => {
       jasmine.arrayContaining([
         '/.vscode/extensions.json',
         '/.vscode/launch.json',
-        '/.vscode/mcp.json',
         '/.vscode/tasks.json',
         '/.editorconfig',
         '/angular.json',
@@ -71,7 +70,6 @@ describe('Workspace Schematic', () => {
       jasmine.arrayContaining([
         '/.vscode/extensions.json',
         '/.vscode/launch.json',
-        '/.vscode/mcp.json',
         '/.vscode/tasks.json',
         '/angular.json',
         '/.gitignore',