Revert of Import functionality for new GL backend

src/gpu/gl/GrGLNoOpInterface.h

Index: src/gpu/gl/GrGLNoOpInterface.h
diff --git a/src/gpu/gl/GrGLNoOpInterface.h b/src/gpu/gl/GrGLNoOpInterface.h
index d90a9b17e3450bc6bfde9989df05eb1f6773c98c..b803b46097652a140f47bb5e8607d644e1abeeaf 100644
--- a/src/gpu/gl/GrGLNoOpInterface.h
+++ b/src/gpu/gl/GrGLNoOpInterface.h
@@ -86,11 +86,6 @@
 
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLDrawArrays(GrGLenum mode, GrGLint first, GrGLsizei count);
 
-GrGLvoid GR_GL_FUNCTION_TYPE noOpGLDrawArraysInstanced(GrGLenum mode,
-                                                       GrGLint first,
-                                                       GrGLsizei count,
-                                                       GrGLsizei primcount);
-
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLDrawBuffer(GrGLenum mode);
 
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLDrawBuffers(GrGLsizei n,
@@ -100,12 +95,6 @@
                                                 GrGLsizei count,
                                                 GrGLenum type,
                                                 const GrGLvoid* indices);
-
-GrGLvoid GR_GL_FUNCTION_TYPE noOpGLDrawElementsInstanced(GrGLenum mode,
-                                                         GrGLsizei count,
-                                                         GrGLenum type,
-                                                         const GrGLvoid* indices,
-                                                         GrGLsizei primcount);
 
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLEnable(GrGLenum cap);
 
@@ -293,8 +282,6 @@
                                                        GrGLboolean normalized,
                                                        GrGLsizei stride,
                                                        const GrGLvoid* ptr);
-
-GrGLvoid GR_GL_FUNCTION_TYPE noOpGLVertexAttribDivisor(GrGLuint index, GrGLuint divisor);
 
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLViewport(GrGLint x,
                                             GrGLint y,