Remove dead code from storage_{up, down, status}

`Keyword.fetch!/2` raises. The runtime error the result coalesced to wasn't
ever raised.

Author: v0idpwn

lib/ecto/adapters/myxql.ex

@@ -174,8 +174,7 @@ defmodule Ecto.Adapters.MyXQL do
 
   @impl true
   def storage_up(opts) do
-    database =
-      Keyword.fetch!(opts, :database) || raise ":database is nil in repository configuration"
+    database = Keyword.fetch!(opts, :database)
 
     opts = Keyword.delete(opts, :database)
     charset = opts[:charset] || "utf8mb4"
@@ -213,8 +212,7 @@ defmodule Ecto.Adapters.MyXQL do
 
   @impl true
   def storage_down(opts) do
-    database =
-      Keyword.fetch!(opts, :database) || raise ":database is nil in repository configuration"
+    database = Keyword.fetch!(opts, :database)
 
     opts = Keyword.delete(opts, :database)
     command = "DROP DATABASE `#{database}`"
@@ -242,8 +240,7 @@ defmodule Ecto.Adapters.MyXQL do
 
   @impl Ecto.Adapter.Storage
   def storage_status(opts) do
-    database =
-      Keyword.fetch!(opts, :database) || raise ":database is nil in repository configuration"
+    database = Keyword.fetch!(opts, :database)
 
     opts = Keyword.delete(opts, :database)
 

lib/ecto/adapters/postgres.ex

@@ -175,8 +175,7 @@ defmodule Ecto.Adapters.Postgres do
 
   @impl true
   def storage_up(opts) do
-    database =
-      Keyword.fetch!(opts, :database) || raise ":database is nil in repository configuration"
+    database = Keyword.fetch!(opts, :database)
 
     encoding = if opts[:encoding] == :unspecified, do: nil, else: opts[:encoding] || "UTF8"
     maintenance_database = Keyword.get(opts, :maintenance_database, @default_maintenance_database)
@@ -215,8 +214,7 @@ defmodule Ecto.Adapters.Postgres do
 
   @impl true
   def storage_down(opts) do
-    database =
-      Keyword.fetch!(opts, :database) || raise ":database is nil in repository configuration"
+    database = Keyword.fetch!(opts, :database)
 
     command =
       "DROP DATABASE \"#{database}\""
@@ -239,8 +237,7 @@ defmodule Ecto.Adapters.Postgres do
 
   @impl Ecto.Adapter.Storage
   def storage_status(opts) do
-    database =
-      Keyword.fetch!(opts, :database) || raise ":database is nil in repository configuration"
+    database = Keyword.fetch!(opts, :database)
 
     maintenance_database = Keyword.get(opts, :maintenance_database, @default_maintenance_database)
     opts = Keyword.put(opts, :database, maintenance_database)

lib/ecto/adapters/tds.ex

@@ -172,8 +172,7 @@ defmodule Ecto.Adapters.Tds do
   @doc false
   @impl true
   def storage_up(opts) do
-    database =
-      Keyword.fetch!(opts, :database) || raise ":database is nil in repository configuration"
+    database = Keyword.fetch!(opts, :database)
 
     command =
       ~s(CREATE DATABASE [#{database}])
@@ -197,8 +196,7 @@ defmodule Ecto.Adapters.Tds do
   @doc false
   @impl true
   def storage_down(opts) do
-    database =
-      Keyword.fetch!(opts, :database) || raise ":database is nil in repository configuration"
+    database = Keyword.fetch!(opts, :database)
 
     case run_query(Keyword.put(opts, :database, "master"), "DROP DATABASE [#{database}]") do
       {:ok, _} ->
@@ -214,8 +212,7 @@ defmodule Ecto.Adapters.Tds do
 
   @impl Ecto.Adapter.Storage
   def storage_status(opts) do
-    database =
-      Keyword.fetch!(opts, :database) || raise ":database is nil in repository configuration"
+    database = Keyword.fetch!(opts, :database)
 
     opts = Keyword.put(opts, :database, "master")