qbs build: Mark some more tools as non-Qt

Plus small clean-ups.

Change-Id: I3601543b04bfc7b016769a63091a91f62607f2dc
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/libs/3rdparty/winpty/winpty.qbs

@@ -56,8 +56,7 @@ Project {
         Depends { name: "winpty_genversion_header" }
         Depends { name: "cpp" }
 
-        useNonGuiPchFile: false
-        useGuiPchFile: false
+        useQt: false
 
         cpp.includePaths: base.concat([sourceDirectory + "/include", buildDirectory])
         cpp.defines: base.concat(["WINPTY_AGENT_ASSERT",

src/tools/disclaim/disclaim.qbs

@@ -3,6 +3,7 @@ import qbs 1.0
 QtcTool {
     name: "disclaim"
     condition: qbs.targetOS.contains("macos")
+    useQt: false
 
     files: [
         "disclaim.mm"

src/tools/process_stub/process_stub.qbs

@@ -4,7 +4,7 @@ QtcTool {
     name: "qtcreator_process_stub"
     consoleApplication: true
 
-    Depends { name: "Qt"; submodules: ["core", "network"]; }
+    Depends { name: "Qt.network" }
 
-    files: [ "main.cpp" ]
+    files: "main.cpp"
 }

src/tools/qtpromaker/qtpromaker.qbs

@@ -3,7 +3,5 @@ import qbs 1.0
 QtcTool {
     name: "qtpromaker"
 
-    Depends { name: "Qt.core" }
-
-    files: [ "main.cpp" ]
+    files: "main.cpp"
 }