Revert "RNN-T constants"

This reverts commit b550182.

Author: mwawrzos

mlperf_logging/mllog/constants.py

@@ -93,10 +93,7 @@
 LARS_OPT_END_LR = "lars_opt_end_learning_rate"
 LARS_OPT_LR_DECAY_POLY_POWER = "lars_opt_learning_rate_decay_poly_power"
 LARS_OPT_LR_DECAY_STEPS = "lars_opt_learning_rate_decay_steps"
-LARS_OPT_LR_MIN = "lars_opt_learning_rate_min"
 LARS_OPT_WEIGHT_DECAY = "lars_opt_weight_decay"
-LARS_OPT_BETA_1 = "lars_beta_1"
-LARS_OPT_BETA_2 = "lars_beta_2"
 MAX_IMAGE_SIZE = "max_image_size"
 MAX_SAMPLES = "max_samples"
 MAX_SEQUENCE_LENGTH = "max_sequence_length"
@@ -120,19 +117,7 @@
 OPT_LR_WARMUP_EPOCHS = "opt_learning_rate_warmup_epochs"
 OPT_LR_WARMUP_FACTOR = "opt_learning_rate_warmup_factor"
 OPT_LR_WARMUP_STEPS = "opt_learning_rate_warmup_steps"
-OPT_LR_HOLD_EPOCHS = "opt_learning_rate_hold_epochs"
 OPT_WEIGHT_DECAY = "opt_weight_decay"
-OPT_GRADIENT_CLIP_NORM = "opt_gradient_clip_norm"
-DATA_SPEED_PERTURBATON_MAX = "data_speed_perturbaton_max"
-DATA_SPEED_PERTURBATON_MIN = "data_speed_perturbaton_min"
-DATA_SPEC_AUGMENT_FREQ_N = "data_spec_augment_freq_n"
-DATA_SPEC_AUGMENT_FREQ_MIN = "data_spec_augment_freq_min"
-DATA_SPEC_AUGMENT_FREQ_MAX = "data_spec_augment_freq_max"
-DATA_SPEC_AUGMENT_TIME_N = "data_spec_augment_time_n"
-DATA_SPEC_AUGMENT_TIME_MIN = "data_spec_augment_time_min"
-DATA_SPEC_AUGMENT_TIME_MAX = "data_spec_augment_time_max"
-DATA_NUM_BUCKETS = "data_num_buckets"
-EMA_FACTOR = "ema_factor"
 
 # Log keys - misc.
 BBOX = "bbox"