[needs-docs][ui] Remove save as action from the project toolbar

Author: nirvn

src/ui/qgisapp.ui

@@ -395,7 +395,6 @@
    <addaction name="mActionNewProject"/>
    <addaction name="mActionOpenProject"/>
    <addaction name="mActionSaveProject"/>
-   <addaction name="mActionSaveProjectAs"/>
    <addaction name="mActionNewPrintLayout"/>
    <addaction name="mActionShowLayoutManager"/>
    <addaction name="mActionStyleManager"/>