remove binaries prior to 1.4.0

Former-commit-id: 422a23859e1287f3ac394c7ad4b294e581655878
Former-commit-id: be2aeb6

Author: lakshayg

README.md

@@ -14,11 +14,6 @@ pip install --ignore-installed --upgrade "Download URL"
 | 1.4.0    | CPU | Ubuntu 16.04 | 5.4              | 3.5.2       | FMA, AVX, AVX2, SSE4.1, SSE4.2            | [Download](https://github.com/lakshayg/tensorflow-build/raw/master/tensorflow-1.4.0-cp35-cp35m-linux_x86_64.whl)        |
 | 1.4.0    | CPU | Ubuntu 16.04 | 5.4              | 3.6.3       | FMA, AVX, AVX2, SSE4.1, SSE4.2            | [Download](https://github.com/sigilioso/tensorflow-build/raw/master/tensorflow-1.4.0-cp36-cp36m-linux_x86_64.whl)       |
 | 1.4.0    | CPU | Ubuntu 16.04 | 5.4              | 2.7.12      | FMA, AVX, AVX2, SSE4.1, SSE4.2            | [Download](https://github.com/lakshayg/tensorflow-build/raw/master/tensorflow-1.4.0-cp27-cp27mu-linux_x86_64.whl)       |
-| 1.4.0rc1 | CPU | Ubuntu 16.10 | 6.2              | 3.6.0b2     | SSE4.1, SSE4.2, AVX                       | [Download](https://github.com/lakshayg/tensorflow-build/raw/master/tensorflow-1.4.0rc1-cp36-cp36m-linux_x86_64.whl)     |
-| 1.2.1    | CPU | macOS Sierra | clang-802.0.42   | 2.7.13      | AVX, SSE4.1, SSE4.2                       | [Download](https://github.com/lakshayg/tensorflow-build/raw/master/tensorflow-1.2.1-cp27-cp27m-macosx_10_12_x86_64.whl) |
-| 1.3.0rc2 | CPU | macOS Sierra | clang-802.0.42   | 2.7.13      | FMA, AVX, AVX2, SSE4.1, SSE4.2            | [Download](https://github.com/lakshayg/tensorflow-build/raw/master/tensorflow-1.3.0rc2-cp27-cp27m-macosx_10_12_intel.whl) |
-| 1.2.1    | CPU | macOS Sierra | clang-802.0.42   | 3.6.1       | AVX, SSE4.1, SSE4.2                       | [Download](https://github.com/lakshayg/tensorflow-build/raw/master/tensorflow-1.2.1-cp36-cp36m-macosx_10_12_x86_64.whl) |
-| 1.2.1    | CPU | macOS Sierra | clang-802.0.42   | 3.6.1       | FMA, AVX, AVX2, SSE4.1, SSE4.2            | [Download](https://github.com/lakshayg/tensorflow-build/raw/72454268db8ce69e0fe3c7b23c17aad6ea69b257/tensorflow-1.2.1-cp36-cp36m-macosx_10_12_x86_64.whl) |
 | 1.4.0    | CPU | macOS Sierra | clang-802.0.42   | 3.6.3       | SSE4.1, SSE4.2, AVX, AVX2, FMA            | [Download](https://github.com/lakshayg/tensorflow-build/raw/master/tensorflow-1.4.0-cp36-cp36m-macosx_10_12_x86_64.whl) |
 | 1.4.1    | CPU | macOS Sierra | clang-900.0.39.2 | 2.7.14      | SSE4.1, SSE4.2, AVX, AVX2, FMA            | [Download](https://github.com/lakshayg/tensorflow-build/raw/master/tensorflow-1.4.1-cp27-cp27m-macosx_10_12_x86_64.whl) |
 | 1.4.1    | CPU | macOS High Sierra | clang-900.0.38 | 3.6.2      | SSE4.1, SSE4.2, AVX, AVX2, FMA            | [Download](https://github.com/lakshayg/tensorflow-build/raw/master/tensorflow-1.4.1-cp36-cp36m-macosx_10_13_x86_64.whl) |