fix clean scripts demo folders

ng2-components/ng2-activiti-tasklist/demo/package.json

@@ -114,10 +114,5 @@
         "name": "Eugenio Romano",
         "email": "eugenio.romano@alfresco.com"
       }
-    ],
+    ]
-    "path": "assets/license_header.txt",
-    "blocking": true,
-    "logInfo": false,
-    "logError": true
-  }
 }

ng2-components/ng2-alfresco-datatable/demo/package.json

@@ -108,10 +108,5 @@
   "keywords": [
     "angular2",
     "typescript"
-  ],
+  ]
-    "path": "assets/license_header.txt",
-    "blocking": true,
-    "logInfo": false,
-    "logError": true
-  }
 }

ng2-components/ng2-alfresco-userinfo/demo/package.json

@@ -108,10 +108,5 @@
         "name": "Vito Albano",
         "email": "vito.albano@alfresco.com"
       }
-    ],
+    ]
-    "path": "assets/license_header.txt",
-    "blocking": true,
-    "logInfo": false,
-    "logError": true
-  }
 }

scripts/npm-clean.sh

@@ -39,11 +39,12 @@ while [[ $1  == -* ]]; do
     esac
 done
 
+npm install rimraf
+
 for PACKAGE in ${projects[@]}
 do
     echo "====== clean component: ${PACKAGE} ====="
     cd "$DIR/../ng2-components/${PACKAGE}"
-    npm install rimraf
     npm run clean
 
     if $EXEC_CLEAN_DEMO == true; then