Remove extra newline from help text

src/options/help.rs

@@ -25,7 +25,6 @@ FILTERING AND SORTING OPTIONS
   -I, --ignore-glob GLOBS    glob patterns (pipe-separated) of files to ignore
   Valid sort fields:         name, Name, extension, Extension, size,
                              modified, accessed, created, inode, none
-
 "##;
 
 static LONG_OPTIONS: &str = r##"

xtests/help

@@ -25,7 +25,6 @@ FILTERING AND SORTING OPTIONS
   Valid sort fields:         name, Name, extension, Extension, size,
                              modified, accessed, created, inode, none
 
-
 LONG VIEW OPTIONS
   -b, --binary       list file sizes with binary prefixes
   -B, --bytes        list file sizes in bytes, without any prefixes