Remove whitespace at the end of the version string printed by Brave in the release channel

[wknapik]

Description

$ brave --version|sed 's/$/$/g'
Brave Browser 90.1.23.71 $
$

That space at the end can mess up version comparisons in scripts.

Steps to Reproduce

1. Call brave --version

Actual result:

Version with space at the end.

Expected result:

Version without space at the end.

Reproduces how often:

Easily reproduced.

Brave version (brave://version info)

Brave	1.23.71 Chromium: 90.0.4430.72 (Official Build) (64-bit)
Revision	b6172ef8d07ef486489a4b11b66b2eaeed50d132-refs/branch-heads/4430@{#1233}
OS	Linux

Version/Channel Information:

• Can you reproduce this issue with the current release? Yes
• Can you reproduce this issue with the beta channel? No
• Can you reproduce this issue with the nightly channel? No

Other Additional Information:

• Does the issue resolve itself when disabling Brave Shields? No
• Does the issue resolve itself when disabling Brave Rewards? No
• Is the issue reproducible on the latest version of Chrome? ?

Miscellaneous Information:

This does not affect other channels, because they append another word after the problematic space.

[wknapik]

Still an issue

% brave --version|sed 's/$/$/g'        
Brave Browser 112.1.50.125 $
%

[fmarier]

Only in the case of the release channel:

$ brave-browser-stable --version|sed 's/$/$/g'
Brave Browser 115.1.56.14 $
$ brave-browser --version|sed 's/$/$/g'
Brave Browser 115.1.57.33 beta$
$ brave-browser-nightly --version|sed 's/$/$/g'
Brave Browser 116.1.58.57 nightly$

This is upstream behavior:

$ google-chrome-stable --version|sed 's/$/$/g'
Google Chrome 115.0.5790.110 $