Revert "Add CtsIcu4cTestCases for ICU4C API coverage"

Revert "Add cintltst and intltest as CTS"

Revert submission 1398728-libicu_test

Reason for revert: http://b/168445204
Reverted Changes:
Icf836add9:Add extra tests compiled aganist libicu into CtsIc...
I4a7a7b0ba:Add extra tests compiled aganist libicu into CtsIc...
Iaf8827cd4:Add cintltst and intltest as CTS
I852ffae40:Add CtsIcu4cTestCases for ICU4C API coverage

Change-Id: Icb5599a496329505418c222548305e61cc1461f2
474 files changed