github irc notifications: don't join #p5p

... before announcing things. This is an experiment to reduce join/part
noise in the channel.

Author: mauke

.github/workflows/irc-notifications.yaml

@@ -166,7 +166,6 @@ jobs:
           server: ${{ env.server }}
           port: ${{ env.port }}
           tls: true
-          join: true
           channel: ${{ env.channel_p5p }}
           nickname: Pull-Request
           message: |-
@@ -179,7 +178,6 @@ jobs:
           server: ${{ env.server }}
           port: ${{ env.port }}
           tls: true
-          join: true
           channel: ${{ env.channel_p5p }}
           nickname: Pull-Request
           message: |-
@@ -192,7 +190,6 @@ jobs:
           server: ${{ env.server }}
           port: ${{ env.port }}
           tls: true
-          join: true
           channel: ${{ env.channel_p5p }}
           nickname: Pull-Request
           message: |-
@@ -205,7 +202,6 @@ jobs:
           server: ${{ env.server }}
           port: ${{ env.port }}
           tls: true
-          join: true
           channel: ${{ env.channel_p5p }}
           nickname: Pull-Request
           message: |-
@@ -233,7 +229,6 @@ jobs:
           server: ${{ env.server }}
           port: ${{ env.port }}
           tls: true
-          join: true
           channel: ${{ env.channel_p5p }}
           nickname: GH-Issue
           message: |-
@@ -246,7 +241,6 @@ jobs:
           server: ${{ env.server }}
           port: ${{ env.port }}
           tls: true
-          join: true
           channel: ${{ env.channel_p5p }}
           nickname: GH-Issue
           message: |-
@@ -259,7 +253,6 @@ jobs:
           server: ${{ env.server }}
           port: ${{ env.port }}
           tls: true
-          join: true
           channel: ${{ env.channel_p5p }}
           nickname: GH-Issue
           message: |-