Remove old debugging code that is no longer needed.

[David Hampton]

Log Message:
-----------
Remove old debugging code that is no longer needed. Debugging is now
in the base class objects.

Tags:
----
gnucash-gnome2-dev

Modified Files:
--------------
    gnucash/src/gnome:
        gnc-plugin-account-tree.c
        gnc-plugin-basic-commands.c
        gnc-plugin-file-history.c
        gnc-plugin-page-account-tree.c
        gnc-plugin-page-register.c
        gnc-plugin-page-register.h
        gnc-plugin-register.c
    gnucash/src/gnome-utils:
        gnc-plugin-menu-additions.c
        gnc-tree-model-account.c
        gnc-tree-model-account.h
        gnc-tree-model-commodity.c
        gnc-tree-model-commodity.h
        gnc-tree-model-price.c
        gnc-tree-model-price.h
        gnc-tree-view-account.c
        gnc-tree-view-commodity.c
        gnc-tree-view-price.c
    gnucash/src/import-export/hbci:
        gnc-plugin-hbci.c
    gnucash/src/import-export/log-replay:
        gnc-plugin-log-replay.c
    gnucash/src/import-export/mt940:
        gnc-plugin-mt940.c
    gnucash/src/import-export/ofx:
        gnc-plugin-ofx.c
    gnucash/src/import-export/qif-import:
        gnc-plugin-qif-import.c
    gnucash/src/report/stylesheets:
        gnc-plugin-stylesheets.c