docs: update README

Refs: NS-193

Author: mhieta

README.md

@@ -267,30 +267,26 @@ AUDIT_LOG = {
 
 ## Keeping Python requirements up to date
 
-1. Install `pip-tools`:
+1. Add new packages to `requirements.in` or `requirements-dev.in`
 
-   - `pip install pip-tools`
-
-2. Add new packages to `requirements.in` or `requirements-dev.in`
-
-3. Update `.txt` file for the changed requirements file:
+2. Update `.txt` file for the changed requirements file:
 
    - `pip-compile requirements.in`
    - `pip-compile requirements-dev.in`
 
-4. If you want to update dependencies to their newest versions, run:
+3. If you want to update dependencies to their newest versions, run:
 
    - `pip-compile --upgrade requirements.in`
 
-5. To install Python requirements run:
+4. To install Python requirements run:
 
    - `pip-sync requirements.txt`
 
-6. To install Python development requirements run:
+5. To install Python development requirements run:
 
    - `pip-sync requirements-dev.txt`
 
-7. To install Python production requirements run:
+6. To install Python production requirements run:
 
    - `pip-sync requirements.txt requirements-prod.txt`