chore: remove mantic references from the codebase

Signed-off-by: Renan Rodrigo <[email protected]>

README.md

@@ -15,7 +15,6 @@
 [![Released Bionic Version](https://img.shields.io/ubuntu/v/ubuntu-advantage-tools/bionic?label=Bionic&logo=ubuntu&logoColor=white)](https://launchpad.net/ubuntu/bionic/+source/ubuntu-advantage-tools)
 [![Released Focal Version](https://img.shields.io/ubuntu/v/ubuntu-advantage-tools/focal?label=Focal&logo=ubuntu&logoColor=white)](https://launchpad.net/ubuntu/focal/+source/ubuntu-advantage-tools)
 [![Released Jammy Version](https://img.shields.io/ubuntu/v/ubuntu-advantage-tools/jammy?label=Jammy&logo=ubuntu&logoColor=white)](https://launchpad.net/ubuntu/jammy/+source/ubuntu-advantage-tools)
-[![Released Mantic Version](https://img.shields.io/ubuntu/v/ubuntu-advantage-tools/mantic?label=Mantic&logo=ubuntu&logoColor=white)](https://launchpad.net/ubuntu/mantic/+source/ubuntu-advantage-tools)
 [![Released Noble Version](https://img.shields.io/ubuntu/v/ubuntu-advantage-tools/noble?label=Noble&logo=ubuntu&logoColor=white)](https://launchpad.net/ubuntu/noble/+source/ubuntu-advantage-tools)
 [![Released Oracular Version](https://img.shields.io/ubuntu/v/ubuntu-advantage-tools/oracular?label=Oracular&logo=ubuntu&logoColor=white)](https://launchpad.net/ubuntu/oracular/+source/ubuntu-advantage-tools)
 

requirements.test.txt

@@ -12,6 +12,5 @@ pytest-cov
 # fixme: This may cause weird behavior in the future, or even break, if
 # two releases have the same python_version.
 git+https://git.launchpad.net/ubuntu/+source/python-apt@ubuntu/jammy-updates ; python_version == '3.10'
-git+https://git.launchpad.net/ubuntu/+source/python-apt@ubuntu/mantic ; python_version == '3.11'
 # need to keep an aye to bump this when python-apt is in noble-updates
 git+https://git.launchpad.net/ubuntu/+source/python-apt@ubuntu/noble ; python_version == '3.12'

tools/create-gh-release-branches.sh

@@ -42,7 +42,6 @@ do
       bionic) version=${PRO_VERSION}~18.04;;
       focal) version=${PRO_VERSION}~20.04;;
       jammy) version=${PRO_VERSION}~22.04;;
-      mantic) version=${PRO_VERSION}~23.10;;
       noble) version=${PRO_VERSION}~24.04;;
   esac
   dch_cmd=(dch -m -v "${version}" -D "${release}" -b  "Backport $PRO_VERSION to $release (LP: #${SRU_BUG})")

uaclient/apt.py

@@ -60,7 +60,7 @@
 
 APT_UPDATE_SUCCESS_STAMP_PATH = "/var/lib/apt/periodic/update-success-stamp"
 
-SERIES_NOT_USING_DEB822 = ("xenial", "bionic", "focal", "jammy", "mantic")
+SERIES_NOT_USING_DEB822 = ("xenial", "bionic", "focal", "jammy")
 
 DEB822_REPO_FILE_CONTENT = """\
 # Written by ubuntu-pro-client

uaclient/upgrade_lts_contract.py

@@ -42,8 +42,8 @@
     "bionic": "xenial",
     "focal": "bionic",
     "jammy": "focal",
-    "mantic": "lunar",
     "noble": "jammy",
+    "oracular": "noble",
 }
 
 LOG = logging.getLogger(util.replace_top_level_logger_name(__name__))