Translations: Remove header includes of *tr.h in .h files

The wrong Tr::tr could be executed by code indirectly including a *tr.h
file from another module.
To Translate in a header file, use QCoreApplication::tr().

Change-Id: I30e67245991d2c2f0eeb01ab356555bdb9841af0
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/mesonprojectmanager/mesonactionsmanager.h

@@ -3,10 +3,10 @@
 
 #pragma once
 
-#include "mesonprojectmanagertr.h"
-
 #include <utils/parameteraction.h>
 
+#include <QCoreApplication>
+
 namespace MesonProjectManager {
 namespace Internal {
 
@@ -14,8 +14,8 @@ class MesonActionsManager : public QObject
 {
     Q_OBJECT
     Utils::ParameterAction buildTargetContextAction{
-        ::MesonProjectManager::Tr::tr("Build"),
-        ::MesonProjectManager::Tr::tr("Build \"%1\""),
+        QCoreApplication::tr("::MesonProjectManager", "Build"),
+        QCoreApplication::tr("::MesonProjectManager", "Build \"%1\""),
         Utils::ParameterAction::AlwaysEnabled /*handled manually*/
     };
     QAction configureActionMenu;