remove periods after versionadd and fix deprecated directive

missed a few periods from the last commit
also incorrectly moved a sphinx directive earlier

Author: Josiah Baker

pandas/_libs/tslibs/nattype.pyx

@@ -580,7 +580,7 @@ timedelta}, default 'raise'
             * 'raise' will raise an NonExistentTimeError if there are
               nonexistent times.
 
-            .. versionadded:: 0.24.0.
+            .. versionadded:: 0.24.0
 
         Returns
         -------
@@ -621,7 +621,7 @@ timedelta}, default 'raise'
             * 'raise' will raise an NonExistentTimeError if there are
               nonexistent times.
 
-            .. versionadded:: 0.24.0.
+            .. versionadded:: 0.24.0
 
         Raises
         ------
@@ -658,7 +658,7 @@ timedelta}, default 'raise'
             * 'raise' will raise an NonExistentTimeError if there are
               nonexistent times.
 
-            .. versionadded:: 0.24.0.
+            .. versionadded:: 0.24.0
 
         Raises
         ------
@@ -738,7 +738,7 @@ default 'raise'
             * 'coerce' will return NaT if the timestamp can not be converted
               into the specified timezone. Use ``nonexistent='NaT'`` instead.
 
-            .. deprecated:: 0.24.0
+              .. deprecated:: 0.24.0
 
         Returns
         -------

pandas/_libs/tslibs/timestamps.pyx

@@ -470,7 +470,7 @@ timedelta}, default 'raise'
             * 'raise' will raise an NonExistentTimeError if there are
               nonexistent times.
 
-            .. versionadded:: 0.24.0.
+            .. versionadded:: 0.24.0
 
         Returns
         -------
@@ -515,7 +515,7 @@ timedelta}, default 'raise'
             * 'raise' will raise an NonExistentTimeError if there are
               nonexistent times.
 
-            .. versionadded:: 0.24.0.
+            .. versionadded:: 0.24.0
 
         Raises
         ------
@@ -554,7 +554,7 @@ timedelta}, default 'raise'
             * 'raise' will raise an NonExistentTimeError if there are
               nonexistent times.
 
-            .. versionadded:: 0.24.0.
+            .. versionadded:: 0.24.0
 
         Raises
         ------
@@ -823,7 +823,7 @@ default 'raise'
             * 'coerce' will return NaT if the timestamp can not be converted
               into the specified timezone. Use ``nonexistent='NaT'`` instead.
 
-            .. deprecated:: 0.24.0
+              .. deprecated:: 0.24.0
 
         Returns
         -------