refactor(@angular/cli): remove unused source-map-loader dependency

package-lock.json

@@ -8136,42 +8136,6 @@
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
       "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w="
     },
-    "source-map-loader": {
-      "version": "0.2.1",
-      "resolved": "https://registry.npmjs.org/source-map-loader/-/source-map-loader-0.2.1.tgz",
-      "integrity": "sha1-SBJr6SML1H+tBeRqjDwuPS2r5Qc=",
-      "requires": {
-        "async": "0.9.2",
-        "loader-utils": "0.2.17",
-        "source-map": "0.1.43"
-      },
-      "dependencies": {
-        "async": {
-          "version": "0.9.2",
-          "resolved": "https://registry.npmjs.org/async/-/async-0.9.2.tgz",
-          "integrity": "sha1-rqdNXmHB+JlhO/ZL2mbUx48v0X0="
-        },
-        "loader-utils": {
-          "version": "0.2.17",
-          "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-0.2.17.tgz",
-          "integrity": "sha1-+G5jdNQyBabmxg6RlvF8Apm/s0g=",
-          "requires": {
-            "big.js": "3.2.0",
-            "emojis-list": "2.1.0",
-            "json5": "0.5.1",
-            "object-assign": "4.1.1"
-          }
-        },
-        "source-map": {
-          "version": "0.1.43",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
-          "integrity": "sha1-wkvBRspRfBRx9drL4lcbK3+eM0Y=",
-          "requires": {
-            "amdefine": "1.0.1"
-          }
-        }
-      }
-    },
     "source-map-resolve": {
       "version": "0.5.1",
       "resolved": "https://registry.npmjs.org/source-map-resolve/-/source-map-resolve-0.5.1.tgz",

package.json

@@ -87,7 +87,6 @@
     "semver": "^5.3.0",
     "silent-error": "^1.0.0",
     "source-map": "^0.5.6",
-    "source-map-loader": "^0.2.0",
     "source-map-support": "^0.4.1",
     "style-loader": "^0.19.1",
     "stylus": "^0.54.5",

packages/@angular/cli/models/webpack-configs/common.ts

@@ -17,7 +17,6 @@ const resolve = require('resolve');
  * Enumerate loaders and their dependencies from this file to let the dependency validator
  * know they are used.
  *
- * require('source-map-loader')
  * require('raw-loader')
  * require('url-loader')
  * require('file-loader')

packages/@angular/cli/package.json

@@ -71,7 +71,6 @@
     "sass-loader": "^6.0.6",
     "semver": "^5.1.0",
     "silent-error": "^1.0.0",
-    "source-map-loader": "^0.2.0",
     "source-map-support": "^0.4.1",
     "istanbul-instrumenter-loader": "^3.0.0",
     "style-loader": "^0.19.1",

packages/@angular/cli/tasks/eject.ts

@@ -618,7 +618,6 @@ export default Task.extend({
           'postcss-url',
           'raw-loader',
           'sass-loader',
-          'source-map-loader',
           'istanbul-instrumenter-loader',
           'style-loader',
           'stylus-loader',