chore: disable pip cache

This didn't worked, because this I removed.

Signed-off-by: Vitor Mattos <vitor@php.rio>

Author: vitormattos

.docker/sphinx/scripts/entrypoint.sh

@@ -1,8 +1,6 @@
 #!/bin/bash
 set -e
 
-export PIP_CACHE_DIR=/pipcache
-
 echo "🔍 Checking for required dependencies..."
 
 echo "⬆️ Upgrading pip..."

.pipcache/.gitkeep

@@ -4,9 +4,6 @@ services:
       context: .docker/sphinx
     volumes:
       - ./:/app
-      - .pipcache:/pipcache
-    environment:
-      - PIP_CACHE_DIR=/pipcache
 
   nginx:
     image: nginx:alpine