Remove quotes from include lines (#247)

Author: BNAndras

exercises/practice/armstrong-numbers/.meta/tests.toml

@@ -38,8 +38,8 @@ description = "Seven-digit number that is not an Armstrong number"
 
 [5ee2fdf8-334e-4a46-bb8d-e5c19c02c148]
 description = "Armstrong number containing seven zeroes"
-include = "false"
+include = false
 
 [12ffbf10-307a-434e-b4ad-c925680e1dd4]
 description = "The largest and last Armstrong number"
-include = "false"
+include = false