Remove unnecessary whitespace from stashing-cleaning.asc

Author: crd

book/07-git-tools/sections/stashing-cleaning.asc

@@ -182,7 +182,6 @@ Stash this hunk [y,n,q,a,d,/,e,?]? y
 Saved working directory and index state WIP on master: 1b65b17 added the index file
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 ==== Creating a Branch from a Stash
 
 If you stash some work, leave it there for a while, and continue on the branch from which you stashed the work, you may have a problem reapplying the work.