
By this time all of us should have expected that song removals in Japan will be mirrored in greater Asia in due course because of license expiry and whatnot. Here is the confirming piece for the latest of those removals on December 6 2017, for instance. If you forget where else you could have found these songs after the removal, we have copy-pasted the list below the jump again for your reference.
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Song Removals: December 6 2017
Also: Vita1 / Wii U3 (DL) / iOS
Also: PSPDX (DL ended) / 3DS1 / iOS
Also: Wii U1 / 3DS2 (DL) / iOS
Also: 3DS2 (DL) / Wii U2 (DL) / iOS
AC0 exclusive
Also: iOS / Vita1
Also: Wii5 / iOS
Also: Wii U2 (DL)

Also: Wii U1 / iOS / PSPDX (DL ended)

Also: 3DS3

Also: Wii U3

AC0 exclusive
Also: PSPDX (DL ended) / iOS