move tmux config into tmux subdirectory

tmux-plugins/tpm/tests/expect_successful_plugin_download

@@ -1,50 +0,0 @@
-#!/usr/bin/env expect
-
-# disables script output
-log_user 0
-
-spawn tmux
-
-# Waiting for tmux to attach. If this is not done, next command, `send` will
-# not work properly.
-sleep 1
-
-# this is tmux prefix + I
-send "I"
-
-# cloning might take a while
-set timeout 15
-
-expect_after {
-  timeout { exit 1 }
-}
-
-expect {
-  "Installing \"tmux-example-plugin\""
-}
-
-expect {
-  "\"tmux-example-plugin\" download success"
-}
-
-expect {
-  "Done, press ENTER to continue" {
-    send "
"
-  }
-}
-
-sleep 1
-# this is tmux prefix + I
-send "I"
-
-expect {
-  "Already installed \"tmux-example-plugin\""
-}
-
-expect {
-  "Done, press ENTER to continue" {
-    exit 0
-  }
-}
-
-exit 1