adodbapi: Remove outdated and unused remote feature

adodbapi/process_connect_string.py

@@ -134,12 +134,4 @@ def process(
                     macro_name, macro_code, kwargs
                 )  # run the code in the local context
                 kwargs[new_key] = rslt  # put the result back in the keywords dict
-    # special processing for PyRO IPv6 host address
-    try:
-        s = kwargs["proxy_host"]
-        if ":" in s:  # it is an IPv6 address
-            if s[0] != "[":  # is not surrounded by brackets
-                kwargs["proxy_host"] = s.join(("[", "]"))  # put it in brackets
-    except KeyError:
-        pass
     return kwargs

adodbapi/quick_reference.md

@@ -339,8 +339,7 @@ Connection Methods: (non-standard)
 
 Connection Attributes
 
-- .errorhandler # (standard extension. See PEP.) (does not work on
-remote)
+- .errorhandler # (standard extension. See PEP.)
 
 - .messages[] # (standard extension. See PEP)
 
@@ -360,8 +359,7 @@ the class for future connections.
 
 - .dbms_version # string identifying the version of the db engine.
 
-- .variantConversions # a map of ado types to the functions used to
-import them.(not available on remote)
+- .variantConversions # a map of ado types to the functions used to import them.
 
 - .supportsTransactions # (bool) this driver is capable of commit()/rollback().
 
@@ -426,10 +424,9 @@ Cursor attributes (non-standard)
 - .paramstyle # can be altered by the user to change paramstyle processing.
     (default taken from connection.) (see below)
 
-- .rs # the internal ADO recordset (local) or raw unpickled data (remote)
+- .rs # the internal ADO recordset
 
 - .converters[] # a list of input-conversion functions, one per column.
-   (not available on remote)
 
 - .columnNames{} # a dictionary of: ((lower-cased) column name : (column number).
 
@@ -879,6 +876,4 @@ Convenient way to run the main and api tests using different Python versions.
 
 - setuptestframework.py:
 
-If run as a main program, initialize a not-really-temporary directory
-for the server to use for remote testing. (Otherwise, it is a subroutine
-for test setup.)
+A subroutine for test setup.