Remove tfd.{auto_correlation,percentile}, as the tfp.stats replacemen…

…t & deprecation notice has been live for several months now.

PiperOrigin-RevId: 236850516

tensorflow_probability/python/distributions/BUILD

@@ -89,7 +89,6 @@ py_library(
         ":quantized_distribution",
         ":relaxed_bernoulli",
         ":relaxed_onehot_categorical",
-        ":sample_stats",
         ":seed_stream",
         ":sinh_arcsinh",
         ":student_t",
@@ -820,17 +819,6 @@ py_library(
     ],
 )
 
-py_library(
-    name = "sample_stats",
-    srcs = ["sample_stats.py"],
-    deps = [
-        # numpy dep,
-        # tensorflow dep,
-        "//tensorflow_probability/python/internal:distribution_util",
-        "//tensorflow_probability/python/stats",
-    ],
-)
-
 py_library(
     name = "seed_stream",
     srcs = ["seed_stream.py"],
@@ -1789,18 +1777,6 @@ py_test(
     ],
 )
 
-py_test(
-    name = "sample_stats_test",
-    size = "medium",
-    srcs = ["sample_stats_test.py"],
-    tags = ["nomsan"],  # disable to avoid false positives from scipy.
-    deps = [
-        # numpy dep,
-        # tensorflow dep,
-        "//tensorflow_probability",
-    ],
-)
-
 py_test(
     name = "seed_stream_test",
     size = "small",

tensorflow_probability/python/distributions/__init__.py

@@ -89,8 +89,6 @@
 from tensorflow_probability.python.distributions.relaxed_bernoulli import RelaxedBernoulli
 from tensorflow_probability.python.distributions.relaxed_onehot_categorical import ExpRelaxedOneHotCategorical
 from tensorflow_probability.python.distributions.relaxed_onehot_categorical import RelaxedOneHotCategorical
-from tensorflow_probability.python.distributions.sample_stats import auto_correlation
-from tensorflow_probability.python.distributions.sample_stats import percentile
 from tensorflow_probability.python.distributions.seed_stream import SeedStream
 from tensorflow_probability.python.distributions.sinh_arcsinh import SinhArcsinh
 from tensorflow_probability.python.distributions.student_t import StudentT
@@ -132,7 +130,6 @@
 # pylint: enable=unused-import,wildcard-import,line-too-long,g-importing-member
 
 __all__ = [
-    'auto_correlation',
     'Cauchy',
     'ConditionalDistribution',
     'ConditionalTransformedDistribution',
@@ -229,7 +226,6 @@
     'tridiag',
     'normal_conjugates_known_scale_posterior',
     'normal_conjugates_known_scale_predictive',
-    'percentile',
     'assign_moving_mean_variance',
     'assign_log_moving_mean_exp',
     'moving_mean_variance',