[geary/wip/misc-cleanup: 3/4] Remove Db.Statement.raw private field

[Michael Gratton <mjog src gnome org>]

commit 6646328d6ea46ec45584072f1d49718445aa9eab
Author: Michael Gratton <mike vee net>
Date:   Tue Aug 6 21:38:52 2019 +1000

    Remove Db.Statement.raw private field
    
    This can never get used, so just remove it.

 src/engine/db/db-statement.vala | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)
---
diff --git a/src/engine/db/db-statement.vala b/src/engine/db/db-statement.vala
index 214cdf6c..8c0fe8b5 100644
--- a/src/engine/db/db-statement.vala
+++ b/src/engine/db/db-statement.vala
@@ -5,10 +5,10 @@
  */
 
 public class Geary.Db.Statement : Geary.Db.Context {
-    private unowned string? raw;
-    public unowned string sql { get {
-        return !String.is_empty(raw) ? raw : stmt.sql();
-    } }
+
+    public string sql {
+        get { return this.stmt.sql(); }
+    }
 
     public Connection connection { get; private set; }
 
@@ -35,13 +35,9 @@ public class Geary.Db.Statement : Geary.Db.Context {
 
     internal Statement(Connection connection, string sql) throws DatabaseError {
         this.connection = connection;
-        // save for logging in case prepare_v2() fails
-        raw = sql;
-
         throw_on_error("Statement.ctor", connection.db.prepare_v2(sql, -1, out stmt, null), sql);
+    }
 
-        // not needed any longer
-        raw = null;
     }
 
     /**