qbs build: Remove unneeded import statements.

The respective items are available without it.

Change-Id: Idc840cf08e7bec84f561c096afe8de25b1fb8468
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>

qbs/imports/QtcAutotest.qbs

 import qbs
 import qbs.FileInfo
-import QtcProduct
 
 QtcProduct {
     type: "application"

qbs/imports/QtcLibrary.qbs

 import qbs 1.0
 import QtcFunctions
-import QtcProduct
 
 QtcProduct {
     type: "dynamiclibrary"

qbs/imports/QtcPlugin.qbs

 import qbs 1.0
 import qbs.FileInfo
 import QtcFunctions
-import QtcProduct
 
 QtcProduct {
     type: ["dynamiclibrary", "pluginSpec"]

qbs/imports/QtcTool.qbs

 import qbs 1.0
-import QtcProduct
 
 QtcProduct {
     type: "application" // no Mac app bundle

src/libs/aggregation/aggregation.qbs

 import qbs 1.0
-import QtcLibrary
 
 QtcLibrary {
     name: "Aggregation"

src/libs/cplusplus/cplusplus.qbs

 import qbs 1.0
-import QtcLibrary
 
 QtcLibrary {
     name: "CPlusPlus"

src/libs/extensionsystem/extensionsystem.qbs

 import qbs 1.0
-import QtcLibrary
 
 QtcLibrary {
     name: "ExtensionSystem"

src/libs/glsl/glsl.qbs

 import qbs 1.0
-import QtcLibrary
 
 QtcLibrary {
     name: "GLSL"

src/libs/languageutils/languageutils.qbs

 import qbs 1.0
-import QtcLibrary
 
 QtcLibrary {
     name: "LanguageUtils"

src/libs/qmldebug/qmldebug.qbs

 import qbs 1.0
-import QtcLibrary
 
 QtcLibrary {
     name: "QmlDebug"

src/libs/qmleditorwidgets/qmleditorwidgets.qbs

 import qbs 1.0
-import QtcLibrary
 
 QtcLibrary {
     name: "QmlEditorWidgets"

src/libs/qmljs/qmljs.qbs

 import qbs 1.0
-import QtcLibrary
 
 QtcLibrary {
     name: "QmlJS"

src/libs/ssh/ssh.qbs

 import qbs 1.0
-import QtcLibrary
 
 QtcLibrary {
     name: "QtcSsh"

src/libs/utils/process_ctrlc_stub.qbs

 import qbs 1.0
-import QtcTool
 
 QtcTool {
     name: "qtcreator_ctrlc_stub"

src/libs/utils/process_stub.qbs

 import qbs 1.0
-import QtcTool
 
 QtcTool {
     name: "qtcreator_process_stub"

src/libs/utils/utils.qbs

 import qbs 1.0
-import QtcLibrary
 
 QtcLibrary {
     name: "Utils"

src/plugins/analyzerbase/analyzerbase.qbs

 import qbs 1.0
 
-import QtcPlugin
-
 QtcPlugin {
     name: "AnalyzerBase"
 

src/plugins/android/android.qbs

 import qbs 1.0
 
-import QtcPlugin
-
 QtcPlugin {
     name: "Android"
 

src/plugins/autotoolsprojectmanager/autotoolsprojectmanager.qbs

 import qbs 1.0
 
-import QtcPlugin
-
 QtcPlugin {
     name: "AutotoolsProjectManager"
 

src/plugins/baremetal/baremetal.qbs

 import qbs
 
-import QtcPlugin
-
 QtcPlugin {
     name: "BareMetal"