Revert 93001 - Apple-style-span class seems unnecessary

LayoutTests/editing/style/style-text-node-without-editable-parent-expected.txt

Index: LayoutTests/editing/style/style-text-node-without-editable-parent-expected.txt
===================================================================
--- LayoutTests/editing/style/style-text-node-without-editable-parent-expected.txt	(revision 95747)
+++ LayoutTests/editing/style/style-text-node-without-editable-parent-expected.txt	(working copy)
@@ -82,6 +82,7 @@
 
 foreColor first:
 | <font>
+|   class="Apple-style-span"
 |   color="#0000ff"
 |   "<#selection-anchor>hello, <#selection-focus>"
 | "world WebKit"
@@ -89,6 +90,7 @@
 foreColor middle:
 | "hello, "
 | <font>
+|   class="Apple-style-span"
 |   color="#0000ff"
 |   "<#selection-anchor>world<#selection-focus>"
 | " WebKit"
@@ -96,16 +98,19 @@
 foreColor last:
 | "hello, world"
 | <font>
+|   class="Apple-style-span"
 |   color="#0000ff"
 |   "<#selection-anchor> WebKit<#selection-focus>"
 
 foreColor all:
 | <font>
+|   class="Apple-style-span"
 |   color="#0000ff"
 |   "<#selection-anchor>hello, world WebKit<#selection-focus>"
 
 hiliteColor first:
 | <span>
+|   class="Apple-style-span"
 |   style="background-color: blue;"
 |   "<#selection-anchor>hello, <#selection-focus>"
 | "world WebKit"
@@ -113,6 +118,7 @@
 hiliteColor middle:
 | "hello, "
 | <span>
+|   class="Apple-style-span"
 |   style="background-color: blue;"
 |   "<#selection-anchor>world<#selection-focus>"
 | " WebKit"
@@ -120,11 +126,13 @@
 hiliteColor last:
 | "hello, world"
 | <span>
+|   class="Apple-style-span"
 |   style="background-color: blue;"
 |   "<#selection-anchor> WebKit<#selection-focus>"
 
 hiliteColor all:
 | <span>
+|   class="Apple-style-span"
 |   style="background-color: blue;"
 |   "<#selection-anchor>hello, world WebKit<#selection-focus>"