Removing unsed Css for increasing performance ( with little formatting )

[subhahu123]

Fixes #1448

Checklist

• I have read the Contribution & Best practices Guide and my PR follows them.
• My branch is up-to-date with the Upstream master branch.
• I have added necessary documentation (if appropriate)
• Added Surge preview link

Changes proposed in this pull request:

• removing the extra and unused css.

• https://pr-1447-fossasia-susper.surge.sh

• web app is working absolutely fine . i have it fully each and every section ( in my concern )
• removing extra css is not affecting the website in any manner.
• increasing lighthouse performance

[codecov]

Codecov Report

Merging #1447 into development will decrease coverage by 0.13%.
The diff coverage is n/a.

@@               Coverage Diff               @@
##           development    #1447      +/-   ##
===============================================
- Coverage         62.2%   62.06%   -0.14%     
===============================================
  Files               51       51              
  Lines             1450     1450              
  Branches           181      181              
===============================================
- Hits               902      900       -2     
- Misses             438      439       +1     
- Partials           110      111       +1

Impacted Files	Coverage Δ
src/app/speechtotext/speechtotext.component.ts	42.85% <0%> (-2.86%)	⬇️

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[subhahu123]

@mariobehling @praveenojha33 please review

[subhahu123]

@rajvaibhavdubey @shreyanshdwivedi please review this

[praveenojha33]

@subhahu123 I do not know how it is working fine for you but I am getting a lot of glitches while running Susper. Currently I am unable to get results therefore I am unable to review it properly. @AakashMallik @shreyanshdwivedi Please review.
Here you can see that top right service box collides with right screen.

Also please see your changes in other browsers.

[subhahu123]

@praveenojha33 can u please tell some more glitches
I have tries this uc,chrome but i did not find any

[shreyanshdwivedi]

@subhahu123 at first go I only found the service box alignment an issue, I'll try to find out glitches, if any and let you know

[subhahu123]

@praveenojha33 please review

[subhahu123]

@simsausaurabh please review

[simsausaurabh]

@subhahu123

1. How did you ensure that nothing breaks or changes due to your changes?
2. When you make a search query, while the results are being fetched and spinner is shown, result page should not be scrollable.

@praveenojha33 Can you please confirm that while we make a search query, and go back to main page, some of the links at footer are highlighted?

[subhahu123]

2. When you make a search query, while the results are being fetched and spinner is shown, result page should not be scrollable.

@simsausaurabh
it's working fine .
please compare it with http://susper-dev.herokuapp.com/
i have checked both .
both r doing the same thing

[subhahu123]

@praveenojha33 Can you please confirm that while we make a search query, and go back to main page, some of the links at footer are highlighted?

i think yes

[simsausaurabh]

@shreyanshdwivedi Lets keep this as a low priority for now. It might break something.