params: make python and c++ API match (#25573)

* params: make python and c++ API match

* few more

common/params_pyx.pyx

@@ -90,7 +90,7 @@ cdef class Params:
     with nogil:
       self.p.putBool(k, val)
 
-  def delete(self, key):
+  def remove(self, key):
     cdef string k = self.check_key(key)
     with nogil:
       self.p.remove(k)

common/tests/test_params.py

@@ -59,13 +59,13 @@ class TestParams(unittest.TestCase):
     with self.assertRaises(UnknownKeyName):
       self.params.put_bool("swag", True)
 
-  def test_delete_not_there(self):
+  def test_remove_not_there(self):
     assert self.params.get("CarParams") is None
-    self.params.delete("CarParams")
+    self.params.remove("CarParams")
     assert self.params.get("CarParams") is None
 
   def test_get_bool(self):
-    self.params.delete("IsMetric")
+    self.params.remove("IsMetric")
     self.assertFalse(self.params.get_bool("IsMetric"))
 
     self.params.put_bool("IsMetric", True)