Reverting dlib install change because it did very little to speed up tests

This reverts commit 1714579e6e.

.travis.yml

@@ -3,9 +3,6 @@ language: python
 python: "3.6"
 
 script:
-  - pip3 install --upgrade pip
-  - pip3 install dlib
-
   # Build the binary (.deb)
   - debuild -i -us -uc -b
   # Install the binary, running the debian scripts in the process
@@ -35,4 +32,3 @@ addons:
       - devscripts
       - fakeroot
       - pamtester
-      - python3-pip

debian/postinst

@@ -104,10 +104,6 @@ handleStatus(subprocess.call(["./install.sh"], shell=True, cwd="/lib/security/ho
 
 log("Downloading dlib")
 
-
-if "HOWDY_SKIP_DLIB" in os.environ:
-	print(col(2) + "SKIPPING DLIB INSTALLATION BECAUSE OF HOWDY_SKIP_DLIB FLAG" + col(0))
-else:
 dlib_archive = "/tmp/v19.16.tar.gz"
 loader = which("wget")
 LOADER_CMD = None
@@ -153,7 +149,6 @@ cmd = ["sudo", "python3", "setup.py", "install"]
 cuda_used = False
 flags = ""
 
-if "HOWDY_SKIP_DLIB" not in os.environ:
 # Get the CPU details
 with open("/proc/cpuinfo") as info:
 	for line in info: