Locales to deprecate:

Rationale: Hard to generate from cldr because they do not support some characters supported by the language.

It does not prevent from reading and writing files in those locales

• zh_CN.GB18030
• zh_CN.GB2312
• zh_CN.GBK
• zh_CN.eucCN
• zh_TW.Big5 r315568
• ja_JP.SJIS
• ja_JP.eucJP
• sr_RS.ISO8859-2
• sr_RS.ISO8859-5
• cs_CZ.ISO8859-2
• da_DK.ISO8859-1
• da_DK.ISO8859-15
• hr_HR.ISO8859-2
• hu_HU.ISO8859-2
• nb_NO.ISO8859-1
• nb_NO.ISO8859-15
• sk_SK.ISO8859-2