update qa processing

[furkanakkurt1335]

Main points of the PR:

• Updating postprocesses for ner and pos to make them compatible with seqeval.
• Adding special compute function for the metric squad.
• Removing QG as we decided not to work on it.

---

• update qa preprocessing
• rm qg confs
• update mkqa dataset loading
• revert completed tasks in push to hub
• update squad class
• update ner and pos labels for seqeval
• update evaluator / trainer
• fix squad
• Add include_inputs_for_metrics parameter to training and test configurations of qa task
• update squad function
• Fix EvalPrediction case in compute_metrics
• update qa preprocessing
• rm qg confs
• update mkqa dataset loading
• revert completed tasks in push to hub
• update squad class
• update ner and pos labels for seqeval
• update evaluator / trainer
• fix squad
• Add include_inputs_for_metrics parameter to training and test configurations of qa task
• update squad function
• comment out debugging selection of dataset
• revert back not to use input for qa
• remove qg from evaluate sh script
• update qa preprocessing
• rm qg confs
• update mkqa dataset loading
• revert completed tasks in push to hub
• update squad class
• update ner and pos labels for seqeval
• update evaluator / trainer
• fix squad
• Add include_inputs_for_metrics parameter to training and test configurations of qa task
• update squad function
• remove qg from evaluate sh script
• update qa preprocessing
• update squad class
• update ner and pos labels for seqeval
• update evaluator / trainer
• comment out debugging selection of dataset
• revert back not to use input for qa

[furkanakkurt1335]

included in #57