Remove incorrect examples, except ctkCmdLineModuleTour which is deliberate

Libs/CommandLineModules/Testing/Modules/Blur2dImage/ctkCmdLineModuleBlur2dImage.xml

@@ -49,7 +49,7 @@ Blur a 2d image.
     <default>/home</default>
     <channel>output</channel>
     </directory>
-    <geometry fileExtensions="*.jpg, *.txt">
+    <geometry fileExtensions=".jpg,.txt">
     <name>geomVar</name>
     <index>7</index>
     <description>Some geom</description>