CLDR-18258 Exclude new values from coverage

These values were added to CLDR in between submission cycles and it would be unfair to drop locale coverage if the languages did not support them.

Thereby, we're temporarily overriding their coverage as "comprehensive".

common/properties/coverageLevels.txt

@@ -62,6 +62,7 @@ hi ;	modern ;	Hindi
 hi_Latn ;	modern ;	Hindi [Latin]
 hr ;	modern ;	Croatian
 hsb ;	modern ;	Upper Sorbian
+ht ;	modern ;	Haitian Creole
 hu ;	modern ;	Hungarian
 hy ;	modern ;	Armenian
 ia ;	moderate ;	Interlingua
@@ -119,7 +120,6 @@ or ;	modern ;	Odia
 pa ;	modern ;	Punjabi
 pcm ;	modern ;	Nigerian Pidgin
 pl ;	modern ;	Polish
-prg ;	basic ;	Prussian
 ps ;	modern ;	Pashto
 pt ;	modern ;	Portuguese
 qu ;	moderate ;	Quechua
@@ -167,7 +167,7 @@ vi ;	modern ;	Vietnamese
 vmw ;	basic ;	Makhuwa
 wo ;	moderate ;	Wolof
 xh ;	moderate ;	Xhosa
-xnr ;	moderate ;	Kangri
+xnr ;	basic ;	Kangri
 yo ;	modern ;	Yoruba
 yrl ;	basic ;	Nheengatu
 yue ;	modern ;	Cantonese