Remove testing of older dev branch

Signed-off-by: Waldemar Quevedo <[email protected]>

.travis.yml

@@ -72,18 +72,6 @@ jobs:
       - bash ./scripts/install_nats.sh
     install:
       - pip install -e .[fast-mail-parser]
-  - name: "Python: 3.11 (nats-server@dev)"
-    python: "3.11"
-    env:
-    - NATS_SERVER_VERSION=dev
-    before_install:
-      - sudo apt update && sudo apt install gcc build-essential -y
-      - sudo apt-get install python3-pip
-      - sudo apt-get install python3-pytest
-      - pip install --upgrade pip
-      - bash ./scripts/install_nats.sh
-    install:
-      - pip install -e .[fast-mail-parser]
   - name: "Python: 3.7"
     python: "3.7"
     before_install:
@@ -101,5 +89,5 @@ jobs:
     - name: "Python: 3.8"
     - name: "Python: 3.11"
     - name: "Python: 3.11/uvloop"
-    - name: "Python: 3.11 (nats-server@dev)"
+    - name: "Python: 3.11 (nats-server@main)"
     - name: "Python: 3.12"