Remove trailing whitespace

[ruzko]

Proposed Changes

There were a few spots in the install.sh script with trailing whitespaces.
This PR removes those.

Types of Changes

bugfix, formatting

Verification

Open master branch and this PR in nano with highlighting of trailing spaces

Testing

Should be unnecessary

Linked Issues

This is so small, I didn't want to create an issue for it.

User-Facing Change

NONE

Further Comments

[brandond]

LGTM. We do still need an issue though, for our QA processes ;)

[ruzko]

Thanks :)
Made a related issue: #9363

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.98%. Comparing base (0553a1a) to head (25ed9f2).
Report is 5 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (0553a1a) and HEAD (25ed9f2). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (0553a1a)	HEAD (25ed9f2)
e2etests	7	6

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #9362      +/-   ##
==========================================
- Coverage   49.74%   43.98%   -5.77%     
==========================================
  Files         178      178              
  Lines       14801    14801              
==========================================
- Hits         7363     6510     -853     
- Misses       6085     7090    +1005     
+ Partials     1353     1201     -152     

Flag	Coverage Δ
e2etests	36.51% <ø> (-9.45%)	⬇️
inttests	19.72% <ø> (-17.01%)	⬇️
unittests	13.55% <ø> (ø)

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