psconvert. Remove the "s" in the synopsis.

The option -Ts (for SVG files) was dropped in #7792. This removes the "s" from the synopsis.

Author: Esteban82

doc/rst/source/psconvert.rst

@@ -26,7 +26,7 @@ Synopsis
 [ |-N|\ [**+f**\ *fade*][**+g**\ *background*][**+k**\ *fadecolor*][**+p**\ [*pen*]] ]
 [ |-Q|\ [**g**\|\ **p**\|\ **t**][1\|2\|4] ]
 [ |-S| ]
-[ |-T|\ **b**\|\ **e**\|\ **E**\|\ **f**\|\ **F**\|\ **j**\|\ **g**\|\ **G**\|\ **m**\|\ **s**\|\ **t**\ [**+m**][**+q**\ *quality*] ]
+[ |-T|\ **b**\|\ **e**\|\ **E**\|\ **f**\|\ **F**\|\ **j**\|\ **g**\|\ **G**\|\ **m**\|\ **t**\ [**+m**][**+q**\ *quality*] ]
 [ |SYN_OPT-V| ]
 [ |-W|\ [**+a**\ *altmode*\ [*alt*]][**+c**][**+f**\ *minfade/maxfade*][**+g**][**+k**][**+l**\ *minLOD/maxLOD*][**+n**\ *layername*][**+o**\ *foldername*][**+t**\ *docname*][**+u**\ *URL*] ]
 [ |-Z| ]