Doc: Remove descriptions of Qt Quick Controls 1

Support for the Qt Quick Controls 1 has been removed.

Change-Id: I6fc64cea94ee64cabb19935124bb9e8fdc3d1089
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>

doc/src/projects/creator-projects-creating.qdoc

@@ -117,13 +117,11 @@
                 You can build the application and deploy it to desktop,
                 embedded, and mobile target platforms.
 
-            \li Qt Quick Controls Application
+            \li Qt Quick Controls 2 Application
 
                 Create a Qt Quick application using
                 \l{http://doc.qt.io/qt-5/qtquickcontrols2-index.html}
-                {Qt Quick Controls 2} (requires Qt 5.7 or later) or
+                {Qt Quick Controls 2} (requires Qt 5.7 or later)
-                \l{http://doc.qt.io/qt-5/qtquickcontrols-index.html}
-                {Qt Quick Controls}.
 
             \li Qt Canvas 3D Application
 
@@ -181,10 +179,6 @@
                 review Qt Quick UI projects in a \l{Previewing QML Files}
                 {preview tool} and you need not build them.
 
-            \li Qt Quick Controls UI
-
-                Like a Qt Quick UI project, but using Qt Quick Controls
-
             \li Qt Custom Designer Widgets
 
                 Custom \QD widget or widget collection

doc/src/projects/creator-projects-custom-wizards-json.qdoc

@@ -765,14 +765,14 @@
 
     \code
     {
-        "name": "LabelQQC_1_0",
+        "name": "LabelQQC_2_0",
         "type": "Label",
         "span": true,
-        "visible": "%{( '%{CS}' === 'QQC_1_0' ) ? 'yes' : ''}",
+        "visible": "%{( '%{CS}' === 'QQC_2_0' )}",
         "data":
         {
             "wordWrap": true,
-            "trText": "Creates a deployable Qt Quick 2 application using Qt Quick Controls. Requires Qt 5.1 or newer."
+            "trText": "Creates a deployable Qt Quick 2 application using Qt Quick Controls 2.",
         }
     },
     \endcode

doc/src/qtquick/qtquick-app-development.qdoc

@@ -68,12 +68,12 @@
         \li \l {Creating Components}
 
             You can use basic QML types to create your own components that you
-            can combine with ready-made Qt Quick Controls and Layouts
+            can combine with ready-made Qt Quick Controls 2 and Layouts
-            (available since Qt 5.1).
+            (available since Qt 5.7).
         \li \l {Creating Screens}
 
-            You can combine basic QML types with ready-made Qt Quick Controls,
+            You can combine basic QML types with ready-made Qt Quick Controls 2,
-            Dialogs, and Layouts (available since Qt 5.1) to create screens. You
+            Dialogs, and Layouts (available since Qt 5.7) to create screens. You
             can use states and transitions to navigate between screens.
 
         \li \l {Browsing ISO 7000 Icons}

doc/src/qtquick/qtquick-creating.qdoc

@@ -68,9 +68,6 @@
             \l{Previewing QML Files}{preview tool} and you need not build them.
             They do not contain any C++ code.
 
-        \li \uicontrol {Qt Quick Controls UI} is like \uicontrol {Qt Quick UI},
-            but using Qt Quick Controls.
-
         \li \uicontrol {Qt Quick Extension Plugins} (in the \uicontrol Library category)
             create C++ plugins that make it possible to offer extensions that
             can be loaded dynamically into Qt Quick applications. Select
@@ -86,7 +83,7 @@
 
         \li Select \uicontrol File > \uicontrol {New File or Project} >
             \uicontrol Application > \uicontrol {Qt Quick Application} or
-            \uicontrol {Qt Quick Controls Application} > \uicontrol Choose.
+            \uicontrol {Qt Quick Controls 2 Application} > \uicontrol Choose.
 
         \li For some Qt Quick applications, you must select the Qt version to
             develop with in the \uicontrol {Minimal required Qt version} field.

doc/src/qtquick/qtquick-designer.qdoc

@@ -59,7 +59,7 @@
 
             \li \uicontrol {Library} (2) displays the building blocks that you can use
                 to design applications: predefined QML types, your own QML
-                components, Qt Quick components or Qt Quick Controls that you
+                components, Qt Quick components or Qt Quick Controls 2 that you
                 import to the project, and other resources.
 
             \li \uicontrol Connections (3) enables you to create connections between