QmakeProject: Remove proFilesEvaluated() signal

It's not really different from Project::parsingFinished.

Adapt users.

Change-Id: I47d23469df2ec52c5d823508772a7e8b8ad429ce
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>

src/plugins/qmakeprojectmanager/qmakeproject.cpp

@@ -545,7 +545,6 @@ void QmakeProject::decrementPendingEvaluateFutures()
             if (activeTarget())
                 activeTarget()->updateDefaultDeployConfigurations();
             updateRunConfigurations();
-            emit proFilesEvaluated();
             emitParsingFinished(true); // Qmake always returns (some) data, even when it failed:-)
         }
     }