Delete sdk_package.py and remove entry point as functionality is now integrated into sdk_generator.py

Co-authored-by: msyyc <70930885+msyyc@users.noreply.github.com>

Author: Copilot

tools/azure-sdk-tools/packaging_tools/sdk_package.py

@@ -41,7 +41,6 @@
             "perfstress=devtools_testutils.perfstress_tests:run_perfstress_cmd",
             "perfstressdebug=devtools_testutils.perfstress_tests:run_perfstress_debug_cmd",
             "sdk_generator=packaging_tools.sdk_generator:generate_main",
-            "sdk_package=packaging_tools.sdk_package:generate_main",
             "sdk_build=ci_tools.build:build",
             "sdk_build_conda=ci_tools.conda:entrypoint",
             "sdk_set_dev_version=ci_tools.versioning.version_set_dev:version_set_dev_main",