Issue-246: Merge GasChromatography content schemas

Type of change

• Bug Fix
• Feature

Does this introduce a change in the core logic?

• [No]

Does this introduce a change in the cloud provider implementation, and if so which cloud?

• AWS
• Azure
• GCP
• IBM

Does this introduce a change that must be documented in the README.md file?

• [No]

Updates description?

• Add Gas Chromatography content schema, model and tests.
• Remove Gasoline and WholeOil Gas Chromatography schemas.
• Add reference data: schemas and values for GasolineGasChromatographyCompounds and PyrolysisGasChromatographyCompounds -glab_GasolineGasChromatographyCompounds.json

glab_PyrolysisGasChromatographyCompounds.json

• Closes issue #246 (closed)