update: removed duplicate word

Author: p-murli

data/EnumDelimiterType/_all.yml

@@ -7,7 +7,7 @@
 # 'block' type is the equivalent of 'indent' in coala definitions,
 # without the implication that a new block must be indented, as indentation
 # is typically a matter of style, and not always a property of the language.
-# 'block' currently currently implies a new 'scope', however we may need to
+# 'block' currently implies a new 'scope', however we may need to
 # create a new delimiter type for scope, or find another way to model that.
 - pk: block
   name: block