appease codacy

cf_units/_udunits2_parser/README.md

@@ -9,7 +9,6 @@ the multi-mode tokenizer of the UDUNITS-2 grammar.
 The [parser](udunits2Parser.g4) defines the grammar of the tokens, along with
 a number of convenient lexical elements.
 
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 ### Generating the parser from the grammar
 
 Once the Jinja2 template has been expanded, the
@@ -23,14 +22,12 @@ deployment and testing (we know it isn't ideal, but it really does make things e
 Please commit the changed parser at the same time as any
 changes to the grammar being proposed so that the two can remain in synch.
 
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 ### Updating the ANTLR version
 
 The above script downloads a Java Jar which needs updating to the same version
 as antlr4-python3-runtime specified in the python requirements.  Once these have
 been updated, run [the script](compile.py) to regenerate the parser.
 
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 ### Testing the grammar
 
 An extensive set of tests exist to confirm that the parser produces equivalent results