Updates for development environment (#8801)

script/devcontainer-post-create

@@ -3,9 +3,6 @@
 set -e
 # set -x
 
-apt update
-apt-get install avahi-utils -y
-
 mkdir -p config
 script/setup
 

script/run-in-env.py

@@ -7,11 +7,7 @@ import sys
 
 
 def find_and_activate_virtualenv():
-    if (
-        ("VIRTUAL_ENV" in os.environ)
-        or os.environ.get("DEVCONTAINER")
-        or os.environ.get("ESPHOME_NO_VENV")
-    ):
+    if "VIRTUAL_ENV" in os.environ:
         return
 
     try:

script/setup

@@ -4,7 +4,7 @@
 set -e
 
 cd "$(dirname "$0")/.."
-if [ ! -n "$DEVCONTAINER" ] && [ ! -n "$VIRTUAL_ENV" ] && [ ! "$ESPHOME_NO_VENV" ]; then
+if [ ! -n "$VIRTUAL_ENV" ]; then
   if [ -x "$(command -v uv)" ]; then
     uv venv venv
   else

script/setup.bat

@@ -1,8 +1,6 @@
 @echo off
 
-if defined DEVCONTAINER goto :install
 if defined VIRTUAL_ENV goto :install
-if defined ESPHOME_NO_VENV goto :install
 
 echo Starting the Virtual Environment
 python -m venv venv