Doc: Hide ADS (workspaces) information from Qt Creator Manual

ADS is used only in Qt Design Studio, even though the Debug mode
also has "workspaces".

Move the topic source file and image files to doc\qtdesignstudio\.

Task-number: QTCREATORBUG-26321
Change-Id: I72b0011a6c8258df8a5e938f3f33d44c39ccfa4c
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>
Reviewed-by: Johanna Vanhatapio <johanna.vanhatapio@qt.io>

doc/qtcreator/src/qtcreator-toc.qdoc

@@ -43,7 +43,6 @@
                             \li \l{File System}
                             \li \l{Open Documents}
                         \endlist
-                    \li \l{Managing Workspaces}
                     \li \l{Viewing Output}
                  \endlist
             \li \l{Configuring Qt Creator}

doc/qtcreator/src/user-interface/creator-open-documents-view.qdoc

@@ -26,7 +26,7 @@
 /*!
     \page creator-open-documents-view.html
     \previouspage creator-file-system-view.html
-    \nextpage creator-project-managing-workspaces.html
+    \nextpage creator-output-panes.html
 
     \title Open Documents
 

doc/qtcreator/src/user-interface/creator-ui.qdoc

@@ -93,7 +93,6 @@
         \li \l{Selecting Modes}{Mode selector}
         \li \l{Working with Sidebars}{Sidebars}
         \li \l{Browsing Project Contents}{Views}
-        \li \l{Managing Workspaces}{Workspaces}
         \li \l{Viewing Output}{Output panes}
     \endlist
 
@@ -350,7 +349,7 @@
     \previouspage creator-views.html
     \nextpage creator-highlighting.html
     \else
-    \previouspage creator-project-managing-workspaces.html
+    \previouspage creator-open-documents-view.html
     \nextpage creator-configuring.html
     \endif
 

doc/qtcreator/src/user-interface/creator-views.qdoc

@@ -35,7 +35,12 @@
     \title Browsing Project Contents
 
     You can organize \QC views in \l {Working with Sidebars}{sidebars} or as
-    \l {Managing Workspaces}{workspaces}, depending on the \l{Selecting Modes}
+    \if defined(qtdesignstudio)
+    \l {Managing Workspaces}{workspaces},
+    \else
+    workspaces
+    \endif
+    depending on the \l{Selecting Modes}
     {mode} you are working in. Only views that are relevant to a mode are
     available in it.
 

doc/qtdesignstudio/src/views/studio-workspaces.qdoc

@@ -26,15 +26,11 @@
 /*!
     \page creator-project-managing-workspaces.html
     \previouspage creator-open-documents-view.html
-    \if defined(qtdesignstudio)
     \nextpage creator-project-managing-sessions.html
-    \else
-    \nextpage creator-output-panes.html
-    \endif
 
     \title Managing Workspaces
 
-    In the Design and Debug modes, you can arrange a set of \QC
+    In the \uicontrol Design mode, you can arrange a set of \QC
     views as a \e workspace on the screen.
 
     To detach views: