Refactor: Inline value for new landing screen buttons padding on tablets

Author: ovitrif

WordPress/src/main/res/values-w600dp/dimens.xml

@@ -13,5 +13,5 @@
     <dimen name="interests_content_margin">@dimen/margin_extra_extra_large</dimen>
 
     <!-- Login Prologue -->
-    <dimen name="login_prologue_revamped_buttons_padding">@dimen/login_prologue_revamped_buttons_padding_tablet</dimen>
+    <dimen name="login_prologue_revamped_buttons_padding">250dp</dimen>
 </resources>

WordPress/src/main/res/values/dimens.xml

@@ -678,7 +678,6 @@
     <dimen name="login_prologue_background_circle_size">140dp</dimen>
     <dimen name="login_prologue_background_circle_size_large">160dp</dimen>
     <dimen name="login_prologue_revamped_buttons_padding">32dp</dimen>
-    <dimen name="login_prologue_revamped_buttons_padding_tablet">250dp</dimen>
 
     <!-- edit text with chips view -->
     <dimen name="edit_text_with_chips_margin_top">5dp</dimen>