Revert "Show a 'send eth' button on home screen in full screen mode"

[darkwing]

Reverts #9845

Unfortunately this patch has introduced a bug where the incorrect icon displays next to ETH.

[github-actions]

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[metamaskbot]

Builds ready [6cf1c82]

• builds: chrome, firefox, opera
• bundle viz: background, ui, inpage, contentscript, ui-libs, bg-libs, phishing-detect
• dep viz: background
• all artifacts

Page Load Metrics (362 ± 52 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	30	80	37	11	5
		domContentLoaded	253	614	360	108	52
		load	255	615	362	108	52
		domInteractive	253	613	360	108	52

[metamaskbot]

Builds ready [6cf1c82]

• builds: chrome, firefox, opera
• bundle viz: background, ui, inpage, contentscript, ui-libs, bg-libs, phishing-detect
• dep viz: background
• all artifacts

Page Load Metrics (373 ± 64 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	27	42	34	4	2
		domContentLoaded	246	598	372	134	64
		load	248	600	373	134	64
		domInteractive	246	598	371	134	64