Updating travis.yml and Readme to remove nsenter and socal

Signed-off-by: abhi <[email protected]>

Author: abhi

.travis.yml

@@ -21,8 +21,6 @@ install:
     - sudo apt-get install btrfs-tools
     - sudo apt-get install libseccomp2/trusty-backports
     - sudo apt-get install libseccomp-dev/trusty-backports
-    - sudo apt-get install socat
-    - docker run --rm -v /usr/local/bin:/target jpetazzo/nsenter
 
 before_script:
     - export PATH=$HOME/gopath/bin:$PATH

README.md

@@ -67,12 +67,9 @@ specifications as appropriate.
 (Fedora, CentOS, RHEL). On releases of Ubuntu <=Trusty and Debian <=jessie a
 backport version of `libseccomp-dev` is required. See [travis.yml](.travis.yml) for an example on trusty.
 * **btrfs development library.** Required by containerd btrfs support. `btrfs-tools`(Ubuntu, Debian) / `btrfs-progs-devel`(Fedora, CentOS, RHEL)
-2. Install other dependencies:
-* **`nsenter`**: Required by portforward.
-* **`socat`**: Required by portforward.
-3. Install and setup a go 1.10 development environment.
-4. Make a local clone of this repository.
-5. Install binary dependencies by running the following command from your cloned `cri/` project directory:
+2. Install and setup a go 1.10 development environment.
+3. Make a local clone of this repository.
+4. Install binary dependencies by running the following command from your cloned `cri/` project directory:
 ```bash
 # Note: install.deps installs the above mentioned runc, containerd, and CNI
 # binary dependencies. install.deps is only provided for general use and ease of