Remove channel name from message strings

There's no need for this redundancy, and it makes some file post-processing easier in case it's needed in the future.

irclog.py

@@ -562,7 +562,7 @@ class IRCClientProtocol(asyncio.Protocol):
 			account = f' ({line.params[-2]})' if 'extended-join' in self.caps and line.params[-2] != '*' else ''
 			for channel in channels:
 				# There can't be a mode set yet on the JOIN, so no need to use get_mode_nick (which would complicate the self-join).
-				yield 'JOIN', channel, f'{line.hostmask.nickname}{account} joins {channel}'
+				yield 'JOIN', channel, f'{line.hostmask.nickname}{account} joins'
 		elif line.command in ('PRIVMSG', 'NOTICE'):
 			channel = line.params[0]
 			if channel not in self.server.channels:
@@ -576,7 +576,7 @@ class IRCClientProtocol(asyncio.Protocol):
 			channels = [line.params[0]] if ',' not in line.params[0] else line.params[0].split(',')
 			reason = f' [{line.params[1]}]' if len(line.params) == 2 else ''
 			for channel in channels:
-				yield 'PART', channel, f'{get_mode_nick(channel)} leaves {channel}'
+				yield 'PART', channel, f'{get_mode_nick(channel)} leaves'
 		elif line.command in ('QUIT', 'NICK', 'ACCOUNT'):
 			if line.hostmask.nickname == self.server.nickname:
 				channels = self.channels
@@ -599,13 +599,13 @@ class IRCClientProtocol(asyncio.Protocol):
 		elif line.command == 'KICK':
 			channel = line.params[0]
 			reason = f' [{line.params[2]}]' if len(line.params) == 3 else ''
-			yield 'KICK', channel, f'{get_mode_nick(channel, line.params[1])} is kicked from {channel} by {get_mode_nick(channel)}{reason}'
+			yield 'KICK', channel, f'{get_mode_nick(channel, line.params[1])} is kicked by {get_mode_nick(channel)}{reason}'
 		elif line.command == 'TOPIC':
 			channel = line.params[0]
 			if line.params[1] == '':
-				yield 'TOPIC', channel, f'{get_mode_nick(channel)} unsets the topic of {channel}'
+				yield 'TOPIC', channel, f'{get_mode_nick(channel)} unsets the topic'
 			else:
-				yield 'TOPIC', channel, f'{get_mode_nick(channel)} sets the topic of {channel} to: {line.params[1]}'
+				yield 'TOPIC', channel, f'{get_mode_nick(channel)} sets the topic to: {line.params[1]}'
 		elif line.command == ircstates.numerics.RPL_TOPIC:
 			channel = line.params[1]
 			yield 'TOPIC', channel, f'Topic of {channel}: {line.params[2]}'
@@ -615,7 +615,7 @@ class IRCClientProtocol(asyncio.Protocol):
 		elif line.command == ircstates.numerics.RPL_ENDOFNAMES:
 			channel = line.params[1]
 			users = self.server.channels[self.server.casefold(channel)].users
-			yield 'NAMES', channel, f'Currently in {channel}: {", ".join(self.render_nick_with_mode(u, u.nickname) for u in users.values())}'
+			yield 'NAMES', channel, f'Current users: {", ".join(self.render_nick_with_mode(u, u.nickname) for u in users.values())}'
 
 	def render_whox(self):
 		users = []