miscellaneous: remove some trailing whitespace buildup

wish folks (craig) would use these in their .gitconfig

[core]
  whitespace = trailing-space, space-before-tab, blank-at-eof
[apply]
  whitespace = warn

Signed-off-by: Jim Warner <james.warner@comcast.net>

Documentation/bugs.md

@@ -13,7 +13,7 @@ you may find its a known bug already.
 
 Where to send
 -------------
-You can raise issues on the GitLab issues tracker which is 
+You can raise issues on the GitLab issues tracker which is
 located at https://gitlab.com/procps-ng/procps/issues You
 will need a GitLab login to do so.
 
@@ -40,7 +40,7 @@ Merge Requests
 Merge requests are fine to use and give a central place for
 everyone involved to have a look. Merge requests are found
 on GitLab at https://gitlab.com/procps-ng/procps/merge_requests
-It is best to follow up your merge request with an email to 
+It is best to follow up your merge request with an email to
 the list saying what you have done.
 
 Patches

README.md

@@ -2,7 +2,7 @@ procps
 ======
 
 procps is a set of command line and full-screen utilities that provide
-information out of the pseudo-filesystem most commonly located at /proc. 
+information out of the pseudo-filesystem most commonly located at /proc.
 This filesystem provides a simple interface to the kernel data structures.
 The programs of procps generally concentrate on the structures that describe
 the processess running on the system.

free.1

@@ -120,7 +120,7 @@ apart.  You may actually specify any floating point number for
 is used for microsecond resolution delay times.
 .TP
 \fB\-\-si\fR
-Use kilo, mega, giga etc (power of 1000) instead of kibi, mebi, gibi (power 
+Use kilo, mega, giga etc (power of 1000) instead of kibi, mebi, gibi (power
 of 1024).
 .TP
 \fB\-t\fR, \fB\-\-total\fR

proc/version.c

@@ -29,8 +29,8 @@
 
 /*
  * procps_linux_version
- * 
- * Return the current running Linux version release as shown in 
+ *
+ * Return the current running Linux version release as shown in
  * the procps filesystem.
  *
  * There are three ways you can get OS release: