Remove layout tests only for grammar checking
Blink does not have grammar checking, so the following layout tests for
grammar checking are removed:
editing/spelling/grammar-edit-word.html
editing/spelling/grammar-markers-hidpi.html
editing/spelling/grammar.html
editing/spelling/grammar-paste.html
editing/spelling/grammar-markers.html
BUG=
619452
TEST=n/a; this patch changes a test file
Committed:
https://crrev.com/32de271fb02024450856b9a5dcfbe42609739224
Cr-Commit-Position: refs/heads/master@{#408314}