Documentation: remove obsolete tool docs

tools/grib_convert.dox

@@ -1,38 +0,0 @@
-/*!  \page grib_convert grib_convert
-\section DESCRIPTION 
- It converts grib messages applying the rules from a conversion_rules file.
-	The rules are of the type "keyname = value;" and if blocks are allowed as
-	if ( keyname1 == value1 || keyname2 != value2 && keyname3 == value3 ) {
-	 keyname4 = value4;
-	}
-
-\section USAGE 
- grib_convert 
- [options] conversion_rules grib_file grib_file ... output_grib_file
-
-\section OPTIONS 
--f  \n Force. Force the execution not to fail on error.
- \n \n -M  \n Multi-grib support off. Turn off support for multiple fields in single grib message
- \n \n -g  \n Copy GTS header. 
- \n \n -G  \n GRIBEX compatibility mode.
- \n \n -V  \n Version.
- \n \n -7  \n Does not fail when the message has wrong length
- \n \n -v  \n Verbose.
- \n \n 
-\section grib_convert_examples grib_convert examples
-The following grib_convert rules convert all the grib messages
-contained in the input files in grib edition 2 and if a 2 metre
-temperature is found also the keys contained in the culy bracket are
-changed.\n
-\code 
-editionNumber = 2;
-if( indicatorOfParameter == 11 && indicatorOfTypeOfLevel == 105)
-{
-    productDefinitionTemplateNumber = 1;
-    typeOfFirstFixedSurface         = 103;
-    scaleFactorOfFirstFixedSurface  = 0;
-    scaledValueOfFirstFixedSurface  = 2;
-}
-\endcode
-
-*/