docs: fix markdown issues in ios_build_instructions.md

docs/ios_build_instructions.md

Index: docs/ios_build_instructions.md
diff --git a/docs/ios_build_instructions.md b/docs/ios_build_instructions.md
index ab7a1770ff3991a8051dd4d58e3dd261457bf012..44f51541e1d46e21f310c4bbabe5de6fe02dface 100644
--- a/docs/ios_build_instructions.md
+++ b/docs/ios_build_instructions.md
@@ -89,26 +89,17 @@ file.
 file (removing the `chromium_ios_signing=0` if you want to make
 developer-signed builds):
 
-{
-
+`{
 "GYP\_DEFINES" : "OS=ios chromium\_ios\_signing=0",
-
 "GYP\_GENERATORS" : "ninja,xcode-ninja",
-
-}
-
-\
+}`
 
 Then make sure you sync again to get all the new files like the
 following. At the end it will run gyp\_chromium which will regenerate
 all the build files according to the new settings.
 
-\

[tfarina, 2016/03/01 12:54:52]

Admittedly, I didn't know what to do (how to fix) with these '\'. Thanks for
noticing!

-
 `gclient sync`
 
-\
-
 Troubleshooting
 ---------------