AUP3: UP-17 - Projects can be larger on UP-3.0.0

Partial relief only.  This only addresses first symptom and it
will needs to have a progress dialog added.

src/ProjectFileIO.cpp

@@ -287,6 +287,15 @@ bool ProjectFileIO::CloseDB()
 
    if (mDB)
    {
+      if (!mTemporary)
+      {
+         rc = sqlite3_exec(mDB, "VACUUM;", nullptr, nullptr, nullptr);
+         if (rc != SQLITE_OK)
+         {
+            wxLogError(XO("Vacuuming failed while closing project file").Translation());
+         }
+      }
+
       rc = sqlite3_close(mDB);
       if (rc != SQLITE_OK)
       {
@@ -321,50 +330,6 @@ bool ProjectFileIO::DeleteDB()
    return true;
 }
 
-bool ProjectFileIO::CleanDB()
-{
-   auto db = DB();
-   int rc;
-
-   AutoSave();
-
-   wxString destpath = wxFileName::CreateTempFileName(mFileName + ".xxxxx");
-
-   if (CopyTo(destpath))
-   {
-      if (CloseDB())
-      {
-         wxString tmppath = wxFileName::CreateTempFileName(mFileName + ".xxxxx");
-         if (wxRename(mFileName, tmppath) == 0)
-         {
-            if (wxRename(destpath, mFileName) == 0)
-            {
-               wxRemoveFile(tmppath);
-
-               // Success
-               return true;
-            }
-
-            if (wxRename(tmppath, mFileName) == 0)
-            {
-               wxRemoveFile(destpath);
-            }
-            else
-            {
-               SetError(XO("Could not rename %s back to %s during cleaning").Format(tmppath, mFileName));
-            }
-         }
-         else
-         {
-            SetError(XO("Could not rename %s during cleaning").Format(mFileName));
-         }
-      }
-   }
-
-   // AUD3 TODO COMPILAIN
-   return false;
-}
-
 bool ProjectFileIO::TransactionStart(const wxString &name)
 {
    char* errmsg = nullptr;
@@ -1259,6 +1224,7 @@ bool ProjectFileIO::SaveProject(const FilePath &fileName)
    // We need to remove the autosave info from the file since it is now
    // clean and unmodified.  Otherwise, it would be considered "recovered"
    // when next opened.
+
    AutoSaveDelete();
 
    // No longer modified

src/ProjectFileIO.h

@@ -113,7 +113,6 @@ private:
    sqlite3 *OpenDB(FilePath fileName = {});
    bool CloseDB();
    bool DeleteDB();
-   bool CleanDB();
 
    bool TransactionStart(const wxString &name);
    bool TransactionCommit(const wxString &name);