remove 5.x information

Author: JPryce-Aklundh

modules/ROOT/pages/clauses/load-csv.adoc

@@ -299,7 +299,6 @@ Added 4 nodes, Set 8 properties, Added 4 labels
 |===
 ====
 
-[role=label--new-5.26]
 [[dynamic-columns]]
 === Import CSV files using dynamic columns
 

modules/ROOT/pages/clauses/match.adoc

@@ -492,7 +492,6 @@ The above query uses the xref:functions/aggregating.adoc#functions-collect[`coll
 
 For more information about how Cypher queries work, see xref:clauses/clause-composition.adoc[].
 
-[role=label--new-5.26]
 [[dynamic-match]]
 == MATCH using dynamic node labels and relationship types
 

modules/ROOT/pages/clauses/merge.adoc

@@ -684,7 +684,6 @@ RETURN person.name, person.bornIn, person.chauffeurName
 | "Keanu Reeves" | "Beirut" | "Eric Brown"
 |===
 
-[role=label--new-5.26]
 [[dynamic-merge]]
 == MERGE using dynamic node labels and relationship types