QmlDesigner.ItemLibrary crash fix

Since we support Qt Quick 2 and 1 force
import is ambigous and does not make sense.


Task-number: QTCREATORBUG-8560
Change-Id: I49491215e1f2ea6ef8284b0f5f5793ff4e70dea3
Reviewed-by: Marco Bubke <marco.bubke@digia.com>

src/plugins/qmldesigner/qtquickplugin/quick.metainfo

@@ -356,7 +356,6 @@ MetaInfo {
             libraryIcon: ":/qtquickplugin/webview-icon.png"
             version: "1.0"
             requiredImport: "QtWebKit"
-            forceImport: "true"
 
             Property { name: "width"; type: "int"; value: 300; }
             Property { name: "height"; type: "int"; value: 300; }
@@ -369,7 +368,6 @@ MetaInfo {
             libraryIcon: ":/qtquickplugin/images/webview-icon.png"
             version: "2.0"
             requiredImport: "QtWebKit"
-            forceImport: "true"
 
             Property { name: "width"; type: "int"; value: 300; }
             Property { name: "height"; type: "int"; value: 300; }