Revert "Fix support for GL_MAX_ATTRIBS attributes." Breaks the AMD bot's OpenGL tests. VertexAttributeTest.MaxAttribs/3: shader compilation failed: Vertex shader failed to compile with the following errors: ERROR: error(#272) Implicit version number 110 not supported by GL3 forward compatible context ERROR: error(#273) 1 compilation errors. No code generated shader compilation failed: Fragment shader failed to compile with the following errors: ERROR: error(#272) Implicit version number 110 not supported by GL3 forward compatible context ERROR: error(#273) 1 compilation errors. No code generated BUG=angleproject:1045 BUG=500116 This reverts commit 3f3d75ea6c20826adb6240f1573fd7139939a986. Change-Id: I8cdd024fcf49f1ade553dae2cdbe8b02d8fba364 Reviewed-on: https://chromium-review.googlesource.com/277673 Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Jamie Madill <jmadill@chromium.org>