Remove método que não existe read_dbc

Author: anapaulagomes

README.md

@@ -6,7 +6,7 @@
 This package collects a set of utilities for handling with public databases published by Brazil's DATASUS
 The documentation of how to use PySUS can be found [here](http://pysus.readthedocs.io/en/latest/)
 
-If you use PySUS for a publication,  please use the bibtex below to cite it:
+If you use PySUS for a publication, please use the bibtex below to cite it:
 ```bibtex
 @software{flavio_codeco_coelho_2021_4883502,
   author       = {Flávio Codeço Coelho and
@@ -26,7 +26,6 @@ If you use PySUS for a publication,  please use the bibtex below to cite it:
 
 ## Features
 
-
 - Decode encoded patient age to any time unit (years, months, etc)
 - Convert `.dbc` files to DBF databases or read them into pandas dataframes. DBC files are basically DBFs compressed by a proprietary algorithm.
 - Read SINAN dbf files returning DataFrames with properly typed columns
@@ -138,26 +137,6 @@ datetime.date(2016, 4, 1)
 
 ```
 
-**Reading `.dbc` file:**
-
-```python
->>> from pysus.utilities.readdbc import read_dbc
-
->>> df = read_dbc(filename, encoding='iso-8859-1')
->>> df.info()
-<class 'pandas.core.frame.DataFrame'>
-RangeIndex: 1239 entries, 0 to 1238
-Data columns (total 58 columns):
-AP_MVM        1239 non-null object
-AP_CONDIC     1239 non-null object
-AP_GESTAO     1239 non-null object
-AP_CODUNI     1239 non-null object
-AP_AUTORIZ    1239 non-null object
-AP_CMP        1239 non-null object
-AP_PRIPAL     1239 non-null object
-AP_VL_AP      1239 non-null float64
-...
-```
 Downloading and reading SINASC data:
 
 ```python