removed permalinks from index.md files

Author: mondus

models/benchmarking/index.md

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 title: "FLAME GPU 2 Models"
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 In order to evaluate the performance of FLAME GPU a number of benchmarking models exist which evaluate different scaling aspects of FLAME GPUs features. 

models/index.md

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 title: "FLAME GPU 2 Case Studies"
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 FLAME GPU has been used within a wide range of industrial and research applications. Some examples are presented below.

models/templates/index.md

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 title: "FLAME GPU 2 Models"
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 The following templates are provided as a starting point for creating new FLAME GPU models.