Remove deprecated APIs

Signed-off-by: Jack Cherng <jfcherng@gmail.com>

Author: jfcherng

src/Diff.php

@@ -219,85 +219,6 @@ public function render(AbstractRenderer $renderer): string
             : $renderer->render();
     }
 
-    /**
-     * Set a and b.
-     *
-     * @deprecated 5.0.0
-     *
-     * @param string[] $a the a
-     * @param string[] $b the b
-     *
-     * @return self
-     */
-    public function setAB(array $a, array $b): self
-    {
-        return $this->setOldNew($a, $b);
-    }
-
-    /**
-     * Set a.
-     *
-     * @deprecated 5.0.0
-     *
-     * @param string[] $a the a
-     *
-     * @return self
-     */
-    public function setA(array $a): self
-    {
-        return $this->setOld($a);
-    }
-
-    /**
-     * Set b.
-     *
-     * @deprecated 5.0.0
-     *
-     * @param string[] $b the b
-     *
-     * @return self
-     */
-    public function setB(array $b): self
-    {
-        return $this->setNew($b);
-    }
-
-    /**
-     * Get a range of lines from $start to $end from the first comparison string
-     * and return them as an array.
-     *
-     * If $end is null, it returns array sliced from the $start to the end.
-     *
-     * @deprecated 5.0.0
-     *
-     * @param int      $start the starting number. If null, the whole array will be returned.
-     * @param null|int $end   the ending number. If null, only the item in $start will be returned.
-     *
-     * @return string[] array of all of the lines between the specified range
-     */
-    public function getA(int $start = 0, ?int $end = null): array
-    {
-        return $this->getOld($start, $end);
-    }
-
-    /**
-     * Get a range of lines from $start to $end from the second comparison string
-     * and return them as an array.
-     *
-     * If $end is null, it returns array sliced from the $start to the end.
-     *
-     * @deprecated 5.0.0
-     *
-     * @param int      $start the starting number
-     * @param null|int $end   the ending number
-     *
-     * @return string[] array of all of the lines between the specified range
-     */
-    public function getB(int $start = 0, ?int $end = null): array
-    {
-        return $this->getNew($start, $end);
-    }
-
     /**
      * The work horse of getA() and getB().
      *