Revert "MAINT: put deprecation for version 0.5.0"

This reverts commit 8727c44.

Author: William de Vazelhes

metric_learn/itml.py

@@ -159,9 +159,9 @@ def __init__(self, gamma=1., max_iter=1000, convergence_threshold=1e-3,
     max_iter : int, optional
     convergence_threshold : float, optional
     num_labeled : Not used
-          .. deprecated:: 0.5.0
-        `num_labeled` was deprecated in version 0.5.0 and will
-        be removed in 0.6.0.
+          .. deprecated:: 0.4.0
+        `num_labeled` was deprecated in version 0.4.0 and will
+        be removed in 0.5.0.
     num_constraints: int, optional
         number of constraints to generate
     bounds : list (pos,neg) pairs, optional

metric_learn/lsml.py

@@ -150,9 +150,9 @@ def __init__(self, tol=1e-3, max_iter=1000, prior=None,
     prior : (d x d) matrix, optional
         guess at a metric [default: covariance(X)]
     num_labeled : Not used
-      .. deprecated:: 0.5.0
-         `num_labeled` was deprecated in version 0.5.0 and will
-         be removed in 0.6.0.
+      .. deprecated:: 0.4.0
+         `num_labeled` was deprecated in version 0.4.0 and will
+         be removed in 0.5.0.
     num_constraints: int, optional
         number of constraints to generate
     weights : (m,) array of floats, optional

metric_learn/mmc.py

@@ -399,9 +399,9 @@ def __init__(self, max_iter=100, max_proj=10000, convergence_threshold=1e-6,
     max_proj : int, optional
     convergence_threshold : float, optional
     num_labeled : Not used
-      .. deprecated:: 0.5.0
-         `num_labeled` was deprecated in version 0.5.0 and will
-         be removed in 0.6.0.
+      .. deprecated:: 0.4.0
+         `num_labeled` was deprecated in version 0.4.0 and will
+         be removed in 0.5.0.
     num_constraints: int, optional
         number of constraints to generate
     A0 : (d x d) matrix, optional

metric_learn/sdml.py

@@ -99,9 +99,9 @@ def __init__(self, balance_param=0.5, sparsity_param=0.01, use_cov=True,
     use_cov : bool, optional
         controls prior matrix, will use the identity if use_cov=False
     num_labeled : Not used
-      .. deprecated:: 0.5.0
-         `num_labeled` was deprecated in version 0.5.0 and will
-         be removed in 0.6.0.
+      .. deprecated:: 0.4.0
+         `num_labeled` was deprecated in version 0.4.0 and will
+         be removed in 0.5.0.
     num_constraints : int, optional
         number of constraints to generate
     verbose : bool, optional