fix: remove default keystrokes from query editor: 2x ecRedo and 1x ecDeleteLine

There may be more where users create a conflict when assigning a custom shortcut, but this particular one (Ctrl+Y) is one of the most popular.

Refs #733

Author: ansgarbecker

source/main.dfm

@@ -1362,9 +1362,21 @@ object MainForm: TMainForm
               OnScanForFoldRanges = SynMemoQueryScanForFoldRanges
               FontSmoothing = fsmNone
               RemovedKeystrokes = <
+                item
+                  Command = ecRedo
+                  ShortCut = 40968
+                end
                 item
                   Command = ecDeleteWord
                   ShortCut = 16468
+                end
+                item
+                  Command = ecDeleteLine
+                  ShortCut = 16473
+                end
+                item
+                  Command = ecRedo
+                  ShortCut = 24666
                 end>
               AddedKeystrokes = <
                 item