fix default getter template for boolean fields with meaningful starting 'is' (IDEA-148006)

java/java-impl/src/com/intellij/codeInsight/generation/defaultGetter.vm

@@ -4,11 +4,7 @@ static ##
 $field.type ##
 #set($name = $StringUtil.capitalizeWithJavaBeanConvention($StringUtil.sanitizeJavaIdentifier($helper.getPropertyName($field, $project))))
 #if ($field.boolean && $field.primitive)
-  #if ($StringUtil.startsWithIgnoreCase($name, 'is'))
-    #set($name = $StringUtil.decapitalize($name))
-  #else
-    is##
-#end
+  is##
 #else
   get##
 #end