chore: Cleaning up the repo.

This commit simply removes some unused config files as well as the deprecated `example` directory.

Signed-off-by: Paulo Vital <paulo.vital@ibm.com>

Author: pvital

.gitignore

@@ -2,6 +2,7 @@
 __pycache__/
 *.py[cod]
 *$py.class
+*.pyo
 
 # C extensions
 *.so
@@ -40,7 +41,7 @@ htmlcov/
 .tox/
 .coverage
 .coverage.*
-.cache
+.*cache
 coverage.xml
 *,cover
 .hypothesis/