Update devstack stable/2025.2 branch setting

Change-Id: I9594e7ea33e707dd27bd53a64ab01d781b9dd554
Signed-off-by: Ghanshyam Maan <gmaan@ghanshyammann.com>

stackrc

@@ -15,7 +15,7 @@ source $RC_DIR/functions
 
 # Set the target branch. This is used so that stable branching
 # does not need to update each repo below.
-TARGET_BRANCH=master
+TARGET_BRANCH=stable/2025.2
 
 # Cycle trailing projects need to branch later than the others.
 TRAILING_TARGET_BRANCH=master

tests/test_libs_from_pypi.sh

@@ -96,19 +96,7 @@ function test_libs_exist {
     echo "test_libs_exist PASSED"
 }
 
-function test_branch_master {
-    for lib in $ALL_LIBS; do
-        if [[ ${GITBRANCH[$lib]} != "master" ]]; then
-            echo "GITBRANCH for $lib not master (${GITBRANCH[$lib]})"
-            exit 1
-        fi
-    done
-
-    echo "test_branch_master PASSED"
-}
-
 set -o errexit
 
 test_libs_exist
-test_branch_master
 test_all_libs_upto_date