fix: Revert the exception message fix in SC 1.0 (#147)

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: fangyh20

google/cloud/dataproc_spark_connect/exceptions.py

@@ -12,59 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import sys
-
-
-def _setup_ipython_exception_handler():
-    """Setup custom exception handler for IPython environments to ensure minimal traceback display."""
-    try:
-        from IPython import get_ipython
-    except ImportError:
-        return
-
-    ipython = get_ipython()
-    if ipython is None:
-        return
-
-    # Store original method if not already stored
-    if hasattr(ipython, "_dataproc_spark_connect_original_showtraceback"):
-        return  # Already patched
-
-    ipython._dataproc_spark_connect_original_showtraceback = (
-        ipython.showtraceback
-    )
-
-    def custom_showtraceback(
-        shell,
-        exc_tuple=None,
-        filename=None,
-        tb_offset=None,
-        exception_only=False,
-        running_compiled_code=False,
-    ):
-        # Get the current exception info
-        _, value, _ = sys.exc_info() if exc_tuple is None else exc_tuple
-
-        # If it's our custom exception, show only the message
-        if isinstance(value, DataprocSparkConnectException):
-            print(f"Error: {value.message}", file=sys.stderr)
-        else:
-            # Use original behavior for other exceptions
-            shell._dataproc_spark_connect_original_showtraceback(
-                exc_tuple,
-                filename,
-                tb_offset,
-                exception_only,
-                running_compiled_code,
-            )
-
-    # Override the method
-    ipython.showtraceback = custom_showtraceback
-
-
-# Setup the handler once at module import time
-_setup_ipython_exception_handler()
-
 
 class DataprocSparkConnectException(Exception):
     """A custom exception class to only print the error messages.