refactor(doc): Simplify the Github badges #984

Job	Run time
Debug Build & Unit Tests (gcc)	3m 58s
Debug Build & Unit Tests (gcc, 32bit)	3m 56s
Debug Build & Unit Tests without Subscriptions (gcc)	1m 50s
Debug Build & Unit Tests with Diagnostics (gcc)	3m 26s
Debug Build & Unit Tests with multithreading (gcc)	2m 37s
Debug Build & Unit Tests with Alarms&Conditions (gcc)	13m 52s
Debug Build & Unit Tests (clang)	5m 42s
Debug Build & Unit Tests (tcc)	2m 42s
Encryption (MbedTLS) Build & Unit Tests (gcc)	3m 17s
PubSub Encryption (MbedTLS) Build & Unit Tests (gcc)	3m 17s
PubSub SKS Build & Unit Tests (gcc)	14m 5s
Encryption (OpenSSL) Build & Unit Tests (gcc)	3m 3s
Encryption (LibreSSL) Build & Unit Tests (gcc)	6m 13s
TPM Tool Build	3m 20s
Release Build	1m 29s
Amalgamation Build	1m 2s
Amalgamation Build with Multithreading	1m 10s
Valgrind Build & Unit Tests with MbedTLS (gcc)	16m 40s
Valgrind Build & Unit Tests with OpenSSL (gcc)	17m 14s
Valgrind Examples with MbedTLS (gcc)	1h 9m 55s
Valgrind Examples with OpenSSL (gcc)	1h 9m 45s
Clang Static Analyzer	4m 23s
Build All Companion Specifications	15m 13s
	4h 28m 9s

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