Update CONTRIBUTING.md

Removing section on root-relative imports.

CONTRIBUTING.md

@@ -81,18 +81,6 @@ for more info._
 - File names should be lower case and underscored, not contain spaces. For example, `my_file.py` 
 instead of `My File.py`.
 - Define any project specific terminology or abbreviations you use in the file you use them.
-- Use root-relative imports (i.e. relative to the POCS directory). This means that rather
-  than using a directory relative imports such as:
-  ```python
-  from ..base import PanBase
-  from ..utils import current_time
-  ```
-  Import from the top-down instead:
-  ```python
-  from pocs.base import PanBase
-  from pocs.utils import current_time
-  ```
-  The same applies to code inside of `peas`.
 - Test imports are slightly different because `pocs/tests` and `peas/tests` are not Python
   packages (those directories don't contain an `__init__.py` file). For imports of `pocs` or
   `peas` code, use root-relative imports as described above. For importing test packages and