Revert "Log error in executeKernelOneshot() same way as in executeKernelKeepalive()"

This reverts commit dd9a6bd.

Author: cderv

src/execute/jupyter/jupyter-kernel.ts

@@ -64,11 +64,6 @@ export async function executeKernelOneshot(
   );
 
   if (!result.success) {
-    trace(options, "Error executing notebook with oneshot kernel");
-    if (result.stderr) {
-      error(result.stderr, { colorize: false });
-    }
-    printExecDiagnostics(options.kernelspec, result.stderr);
     return Promise.reject();
   }
 }
@@ -214,7 +209,6 @@ async function execJupyter(
           "PYDEVD_DISABLE_FILE_VALIDATION": "1",
         },
         stdout: "piped",
-        stderr: "piped",
       },
       kernelCommand(command, "", options),
     );
@@ -449,9 +443,6 @@ async function connectToKernel(
     debug,
   }, options.kernelspec);
   if (!result.success) {
-    if (result.stderr) {
-      error(result.stderr, { colorize: false });
-    }
     return Promise.reject();
   }