remove SQL

README.md

@@ -29,7 +29,6 @@
 | OS X | ✅ OS ten | ❌ OS X |
 | retina [🔊](http://dict.youdao.com/dictvoice?audio=retina&type=2) | ✅ ['retnə] | ❌ [ritina] |
 | safari [🔊](http://dict.youdao.com/dictvoice?audio=safari&type=2) | ✅ [səˈfɑːrɪ] | ❌ [sæfərɪ] |
-| SQL | ✅ S-Q-L | ❌ sekul |
 | sudo | ✅ ['su:du:] | |
 | suite [🔊](http://dict.youdao.com/dictvoice?audio=suite&type=2) | ✅ [sut; swit] | ❌ [sjuːt] |
 | typical [🔊](http://dict.youdao.com/dictvoice?audio=typical&type=2) | ✅ ['tɪpɪkl] | ❌ ['taɪpɪkəl] |