Update Greek and remove language with no data for now

src/scribe_data/wikidata/language_data_extraction/greek/nouns/query_nouns.sparql

@@ -9,7 +9,7 @@ SELECT
   ?gender
 
 WHERE {
-  ?lexeme dct:language wd:Q36510;
+  ?lexeme dct:language wd:Q36510 ;
     wikibase:lexicalCategory wd:Q1084 ;
     wikibase:lemma ?singular .
 

src/scribe_data/wikidata/language_data_extraction/greek/prepositions/query_prepositions.sparql

@@ -0,0 +1,13 @@
+# tool: scribe-data
+# All Greek (Q36510) prepositions (Q4833830) and the given forms.
+# Enter this query at https://query.wikidata.org/.
+
+SELECT
+  (REPLACE(STR(?lexeme), "http://www.wikidata.org/entity/", "") AS ?lexemeID)
+  ?preposition
+
+WHERE {
+  ?lexeme dct:language wd:Q36510 ;
+    wikibase:lexicalCategory wd:Q4833830 ;
+    wikibase:lemma ?preposition .
+}