fix: remove calls to test.ts

Author: wnvko

packages/igx-templates/igx-ts-legacy/projects/_base/files/angular.json

@@ -94,7 +94,6 @@
         "test": {
           "builder": "@angular-devkit/build-angular:karma",
           "options": {
-            "main": "src/test.ts",
             "polyfills": "src/polyfills.ts",
             "tsConfig": "tsconfig.spec.json",
             "inlineStyleLanguage": "scss",

packages/igx-templates/igx-ts-legacy/projects/_base/files/tsconfig.spec.json

@@ -8,7 +8,6 @@
     ]
   },
   "files": [
-    "src/test.ts",
     "src/polyfills.ts"
   ],
   "include": [

packages/igx-templates/igx-ts-legacy/projects/side-nav-auth/files/tsconfig.spec.json

@@ -11,7 +11,6 @@
     "module": "commonjs"
   },
   "files": [
-    "src/test.ts",
     "src/polyfills.ts"
   ],
   "include": [

packages/igx-templates/igx-ts/projects/_base/files/angular.json

@@ -86,7 +86,6 @@
 				"test": {
 					"builder": "@angular-devkit/build-angular:karma",
 					"options": {
-						"main": "src/test.ts",
 						"polyfills": [
 							"zone.js",
 							"zone.js/testing"

packages/igx-templates/igx-ts/projects/_base/files/tsconfig.spec.json

@@ -7,9 +7,6 @@
       "jasmine"
     ]
   },
-  "files": [
-    "src/test.ts"
-  ],
   "include": [
     "src/**/*.spec.ts",
     "src/**/*.d.ts"

packages/igx-templates/igx-ts/projects/side-nav-auth/files/tsconfig.spec.json

@@ -11,7 +11,6 @@
     "module": "commonjs"
   },
   "files": [
-    "src/test.ts",
     "src/polyfills.ts"
   ],
   "include": [