Trim whitespace from --update-data

Author: sterliakov

test-data/unit/check-parameter-specification.test

@@ -2458,20 +2458,6 @@ def run_bad4(func: Callable[Concatenate[int, P], T], *args: P.args, **kwargs: P.
                         # E: Argument 1 has incompatible type "int"; expected "P.args"
     return func2(**kwargs)  # E: Too few arguments
 
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 [builtins fixtures/paramspec.pyi]
 
 [case testOtherVarArgs]
@@ -2491,11 +2477,6 @@ def run(func: Callable[Concatenate[int, str, P], T], *args: P.args, **kwargs: P.
                                 # E: Argument 2 has incompatible type "*Tuple[int, str]"; expected "P.args"
     return func2(*args_prefix, *args)
 
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 [builtins fixtures/paramspec.pyi]
 
 [case testParamSpecScoping]