app: disable the IScissors tool, if you want it back, please go ahead

app/tools/gimp-tools.c

@@ -173,7 +173,9 @@ gimp_tools_init (Gimp *gimp)
     /*  selection tools */
 
     gimp_foreground_select_tool_register,
+#if 0
     gimp_iscissors_tool_register,
+#endif
     gimp_by_color_select_tool_register,
     gimp_fuzzy_select_tool_register,
     gimp_free_select_tool_register,

app/tools/gimpiscissorstool.c

@@ -42,6 +42,7 @@
 
 /* Livewire boundary implementation done by Laramie Leavitt */
 
+#if 0
 
 #include "config.h"
 
@@ -1876,3 +1877,5 @@ find_max_gradient (GimpIscissorsTool *iscissors,
         }
     }
 }
+
+#endif

app/tools/gimpiscissorstool.h

@@ -15,6 +15,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#if 0
+
 #ifndef __GIMP_ISCISSORS_TOOL_H__
 #define __GIMP_ISCISSORS_TOOL_H__
 
@@ -100,3 +102,5 @@ GType   gimp_iscissors_tool_get_type (void) G_GNUC_CONST;
 
 
 #endif  /*  __GIMP_ISCISSORS_TOOL_H__  */
+
+#endif

menus/image-menu.xml.in

@@ -537,7 +537,9 @@
         <menuitem action="tools-foreground-select" />
         <menuitem action="tools-fuzzy-select" />
         <menuitem action="tools-by-color-select" />
+	<!--
         <menuitem action="tools-iscissors" />
+	-->
       </menu>
       <menu action="tools-paint-menu" name="Paint Tools">
         <menuitem action="tools-bucket-fill" />