Remove unused markets field in SettingsStore #2913

Job	Run time
Push translation source files to Transifex	5s
Build apps module on macOS-latest / Build apps module on macOS-latest	5m 4s
Build Bisq on macOS-latest / Build Bisq on macOS-latest	3m 4s
Build apps module on windows-latest / Build apps module on windows-latest	3m 19s
Build apps module on ubuntu-latest / Build apps module on ubuntu-latest	2m 2s
Build Bisq on ubuntu-latest / Build Bisq on ubuntu-latest	1m 41s
Build Bisq on windows-latest / Build Bisq on windows-latest	3m 18s
Build network module on macOS-latest / Build network module on macOS-latest	2m 1s
Build network module on ubuntu-latest / Build network module on ubuntu-latest	51s
Build network module on windows-latest / Build network module on windows-latest	1m 44s
Build tor module on macOS-latest / Build tor module on macOS-latest	1m 42s
Build tor module on windows-latest / Build tor module on windows-latest	1m 38s
Build tor module on ubuntu-latest / Build tor module on ubuntu-latest	37s
Build wallet module on macOS-latest / Build wallet module on macOS-latest	2m 21s
Build wallet module on ubuntu-latest / Build wallet module on ubuntu-latest	1m 9s
Build wallet module on windows-latest / Build wallet module on windows-latest	2m 14s
	32m 50s

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