remove deprecated hasSchemaTable function

src/Phinx/Db/Adapter/AbstractAdapter.php

@@ -288,14 +288,6 @@ public function getColumnForType($columnName, $type, array $options)
         return $column;
     }
 
-    /**
-     * @inheritdoc
-     */
-    public function hasSchemaTable()
-    {
-        return $this->hasTable($this->getSchemaTableName());
-    }
-
     /**
      * @inheritDoc
      *

src/Phinx/Db/Adapter/AdapterInterface.php

@@ -203,15 +203,6 @@ public function setBreakpoint(MigrationInterface $migration);
      */
     public function unsetBreakpoint(MigrationInterface $migration);
 
-    /**
-     * Does the schema table exist?
-     *
-     * @deprecated use hasTable instead.
-     *
-     * @return bool
-     */
-    public function hasSchemaTable();
-
     /**
      * Creates the schema table.
      *

src/Phinx/Db/Adapter/AdapterWrapper.php

@@ -260,14 +260,6 @@ public function unsetBreakpoint(MigrationInterface $migration)
         return $this;
     }
 
-    /**
-     * @inheritDoc
-     */
-    public function hasSchemaTable()
-    {
-        return $this->getAdapter()->hasSchemaTable();
-    }
-
     /**
      * @inheritDoc
      */

src/Phinx/Db/Adapter/PdoAdapter.php

@@ -115,7 +115,7 @@ public function setConnection(PDO $connection)
         $this->connection = $connection;
 
         // Create the schema table if it doesn't already exist
-        if (!$this->hasSchemaTable()) {
+        if (!$this->hasTable($this->getSchemaTableName())) {
             $this->createSchemaTable();
         } else {
             $table = new DbTable($this->getSchemaTableName(), [], $this);