Merge pull request #6820 from NlightNFotis/minor_changes_to_repo

Refine `.gitattributes` and remove stale build status badges

Author: NlightNFotis

.gitattributes

@@ -1,11 +1,12 @@
-*.cpp text
-*.c text
-*.h text
+*.cpp text diff=cpp
+*.c text diff=cpp
+*.h text diff=cpp
 *.y text
 *.tex text
 *.shtml text
 *.html text
 *.css text
 *.inc text
-test.desc text
+*.desc text
+*.md text
 Makefile text

README.md

@@ -1,5 +1,3 @@
-[![Build Status][codebuild_img]][codebuild]
-[![Build Status][codebuild_windows_img]][codebuild_windows]
 [![Build Status][coverity_img]][coverity]
 [![Build Status][codecov_img]][codecov]