upgrade to angular 13

Author: jojozhuang

.gitignore

@@ -26,6 +26,7 @@
 !.vscode/extensions.json
 
 # misc
+/.angular/cache
 /.sass-cache
 /connect.lock
 /coverage

angular.json

@@ -126,18 +126,6 @@
               "src/favicon.ico"
             ]
           }
-        },
-        "lint": {
-          "builder": "@angular-devkit/build-angular:tslint",
-          "options": {
-            "tsConfig": [
-              "src/tsconfig.app.json",
-              "src/tsconfig.spec.json"
-            ],
-            "exclude": [
-              "**/node_modules/**"
-            ]
-          }
         }
       }
     },
@@ -152,17 +140,6 @@
             "protractorConfig": "./protractor.conf.js",
             "devServerTarget": "text-compare-angular:serve"
           }
-        },
-        "lint": {
-          "builder": "@angular-devkit/build-angular:tslint",
-          "options": {
-            "tsConfig": [
-              "e2e/tsconfig.e2e.json"
-            ],
-            "exclude": [
-              "**/node_modules/**"
-            ]
-          }
         }
       }
     }