Remove obsolete Travis CI scripts

This commit removes obsolete Travis CI scripts that are no longer
required due to the transition to a publically available CI image.

Signed-off-by: Harry Ramsey <harry.ramsey@arm.com>
diff --git a/scripts/windows_msbuild.bat b/scripts/windows_msbuild.bat
deleted file mode 100644
index 2bc6a51..0000000
--- a/scripts/windows_msbuild.bat
+++ /dev/null
@@ -1,20 +0,0 @@
-@rem Build and test Mbed TLS with Visual Studio using msbuild.

-@rem Usage: windows_msbuild [RETARGET]

-@rem   RETARGET: version of Visual Studio to emulate

-@rem             https://docs.microsoft.com/en-us/cpp/build/how-to-modify-the-target-framework-and-platform-toolset

-

-@rem These parameters are hard-coded for now.

-set "arch=x64" & @rem "x86" or "x64"

-set "cfg=Release" & @rem "Debug" or "Release"

-set "vcvarsall=C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Auxiliary\Build\vcvarsall.bat"

-

-if not "%~1"=="" set "retarget=,PlatformToolset=%1"

-

-@rem If the %USERPROFILE%\Source directory exists, then running

-@rem vcvarsall.bat will silently change the directory to that directory.

-@rem Setting the VSCMD_START_DIR environment variable causes it to change

-@rem to that directory instead.

-set "VSCMD_START_DIR=%~dp0\..\visualc\VS2017"

-

-"%vcvarsall%" x64 && ^

-msbuild /t:Rebuild /p:Configuration=%cfg%%retarget% /m mbedTLS.sln

diff --git a/tests/scripts/travis-log-failure.sh b/tests/scripts/travis-log-failure.sh
deleted file mode 100755
index 3daecf3..0000000
--- a/tests/scripts/travis-log-failure.sh
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/bin/sh
-
-# travis-log-failure.sh
-#
-# Copyright The Mbed TLS Contributors
-# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
-#
-# Purpose
-#
-# List the server and client logs on failed ssl-opt.sh and compat.sh tests.
-# This script is used to make the logs show up in the Travis test results.
-#
-# Some of the logs can be very long: this means usually a couple of megabytes
-# but it can be much more. For example, the client log of test 273 in ssl-opt.sh
-# is more than 630 Megabytes long.
-
-if [ -d include/mbedtls ]; then :; else
-    echo "$0: must be run from root" >&2
-    exit 1
-fi
-
-FILES="o-srv-*.log o-cli-*.log c-srv-*.log c-cli-*.log o-pxy-*.log"
-MAX_LOG_SIZE=1048576
-
-for PATTERN in $FILES; do
-    for LOG in $( ls tests/$PATTERN 2>/dev/null ); do
-        echo
-        echo "****** BEGIN file: $LOG ******"
-        echo
-        tail -c $MAX_LOG_SIZE $LOG
-        echo "****** END file: $LOG ******"
-        echo
-        rm $LOG
-    done
-done