Cleanup of presentation materials #349

Job	Run time
code-quality	21m 55s
build	1s
standalone-inference	1s
quarkus-langchain4j-integration	1s
publish-performance-history	1s
code-quality	25s
build (ptx)	39s
build (opencl)	1m 2s
quarkus-langchain4j-integration (opencl)	29s
standalone-inference (opencl)	2m 9s
standalone-inference (ptx)	2m 11s
quarkus-langchain4j-integration (ptx)	27s
publish-performance-history	-1s
	29m 20s

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