Merge pull request #444 from null77/de-duplicate-separate-shader-ext

xml: Remove duplicate EP for separate shader ext.
diff --git a/xml/gl.xml b/xml/gl.xml
index c573573..56513b5 100644
--- a/xml/gl.xml
+++ b/xml/gl.xml
@@ -46183,7 +46183,6 @@
                 <command name="glProgramUniform2uivEXT"/>
                 <command name="glProgramUniform3uivEXT"/>
                 <command name="glProgramUniform4uivEXT"/>
-                <command name="glProgramUniformMatrix4fvEXT"/>
                 <command name="glProgramUniformMatrix2x3fvEXT"/>
                 <command name="glProgramUniformMatrix3x2fvEXT"/>
                 <command name="glProgramUniformMatrix2x4fvEXT"/>