use one segment instance

[brad-decker]

Fixes: no longer splitting analytics into two mixpanels to separate old analytics schema from new, work in progress one. Instead, we will segment in mixpanel to keep visualizations separate.

[metamaskbot]

Builds ready [686c6a3]

• builds: chrome, firefox, opera
• bundle viz: background, ui, inpage, contentscript, ui-libs, bg-libs, phishing-detect
• build viz: Build System
• code coverage: Report
• storybook: Storybook
• all artifacts

Page Load Metrics (698 ± 96 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	47	127	69	21	10
		domContentLoaded	393	1119	697	200	96
		load	395	1121	698	200	96
		domInteractive	393	1119	697	200	96

[metamaskbot]

Builds ready [bfd75cf]

• builds: chrome, firefox, opera
• bundle viz: background, ui, inpage, contentscript, ui-libs, bg-libs, phishing-detect
• build viz: Build System
• code coverage: Report
• storybook: Storybook
• all artifacts

Page Load Metrics (689 ± 42 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	51	99	66	13	6
		domContentLoaded	411	802	688	88	42
		load	412	803	689	88	42
		domInteractive	411	802	687	88	42

[darkwing]

Awesome! Works for me!