Revert "fix: exit if branch checkout fails"

This reverts commit 3ff56696ae.

cmake/taosws_CMakeLists.txt.in

@@ -2,7 +2,7 @@
 # taosws-rs
 ExternalProject_Add(taosws-rs
         GIT_REPOSITORY https://github.com/taosdata/taos-connector-rust.git
-        GIT_TAG 3.0
+        GIT_TAG main
         SOURCE_DIR "${TD_SOURCE_DIR}/tools/taosws-rs"
         BINARY_DIR ""
         #BUILD_IN_SOURCE TRUE
@@ -10,13 +10,4 @@ ExternalProject_Add(taosws-rs
         BUILD_COMMAND ""
         INSTALL_COMMAND ""
         TEST_COMMAND ""
-        # Fix: Exit if branch checkout fails
-        UPDATE_COMMAND "
-                cd ${TD_SOURCE_DIR}/tools/taosws-rs &&
-                git checkout -f 3.0 
-                if [ $(git rev-parse --abbrev-ref HEAD) != '3.0' ]; then
-                echo 'Failed to switch to branch 3.0 in ${TD_SOURCE_DIR}/tools/taosws-rs';
-                exit 1;
-                fi
-        "
 )