[Refactor] [2/N] Move tool parsers into the vLLM main directory (#30675)

Signed-off-by: chaunceyjiang <chaunceyjiang@gmail.com>

vllm/entrypoints/openai/tool_parsers/xlam_tool_parser.py → vllm/tool_parsers/xlam_tool_parser.py

@@ -17,7 +17,7 @@ from vllm.entrypoints.openai.protocol import (
     FunctionCall,
     ToolCall,
 )
-from vllm.entrypoints.openai.tool_parsers.abstract_tool_parser import (
+from vllm.tool_parsers.abstract_tool_parser import (
     ToolParser,
 )
 from vllm.logger import init_logger