chore: remove all deprecated commands

This change removes all deprecated commands. In many cases, users have been warned for a number of releases before the commands have been removed. All commands that were removed have existing alternatives.

tests/unit/40_trace.bats

@@ -13,10 +13,17 @@ teardown() {
 }
 
 @test "(trace) trace:help" {
+  run /bin/bash -c "dokku trace"
+  echo "output: $output"
+  echo "status: $status"
+  assert_output_contains "Manage trace mode"
+  help_output="$output"
+
   run /bin/bash -c "dokku trace:help"
   echo "output: $output"
   echo "status: $status"
   assert_output_contains "Manage trace mode"
+  assert_output "$help_output"
 }
 
 @test "(trace) trace:on" {
@@ -31,18 +38,6 @@ teardown() {
   assert_success
 }
 
-@test "(trace) trace on" {
-  run /bin/bash -c "dokku trace on"
-  echo "output: $output"
-  echo "status: $status"
-  assert_success
-
-  run /bin/bash -c "test -f $DOKKU_ROOT/.dokkurc/DOKKU_TRACE"
-  echo "output: $output"
-  echo "status: $status"
-  assert_success
-}
-
 @test "(trace) trace:off, trace off" {
   touch "$DOKKU_ROOT/.dokkurc/DOKKU_TRACE"
   run /bin/bash -c "dokku trace:off"
@@ -50,18 +45,6 @@ teardown() {
   echo "status: $status"
   assert_success
 
-  run /bin/bash -c "test -f $DOKKU_ROOT/.dokkurc/DOKKU_TRACE"
-  echo "output: $output"
-  echo "status: $status"
-  assert_failure
-
-  touch "$DOKKU_ROOT/.dokkurc/DOKKU_TRACE"
-  run /bin/bash -c "dokku trace off"
-  echo "output: $output"
-  echo "status: $status"
-  assert_success
-
-
   run /bin/bash -c "test -f $DOKKU_ROOT/.dokkurc/DOKKU_TRACE"
   echo "output: $output"
   echo "status: $status"