Revert "Add Helcim icon (#10906)" (#10971)

This reverts commit 48e41352e8.

_data/simple-icons.json

@@ -6832,11 +6832,6 @@
             "source": "https://hederabrandcentral.frontify.com/d/Tmocz52AXpLj/brand-assets#/brand-assets/brand-identity/our-hbar-logomark",
             "guidelines": "https://hederabrandcentral.frontify.com/d/Tmocz52AXpLj/brand-assets#/brand-assets/brand-identity"
         },
-        {
-            "title": "Helcim",
-            "hex": "815AF0",
-            "source": "https://www.helcim.com"
-        },
         {
             "title": "Helium",
             "hex": "0ACF83",

icons/helcim.svg

@@ -1 +0,0 @@
-<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>Helcim</title><path d="M14.906 23.784c-2.327-.766-2.655-3.207-2.198-5.277.11-.696.317-1.55.54-2.61.234-1.102.422-1.959.537-2.568q.16-.826.188-1.666c-.01-1.143-.423-1.748-1.225-1.741-.56 0-2.008.47-2.605 3.172 0 0-.306 1.868-1.305 6.134-1.318 6.868-4.492 4.607-7.215 3.58.794-.054 1.744-1.135 2.239-2.943C5.554 13.682 7.882.882 7.882.882L12.993 0 11.06 8.716a5.7 5.7 0 0 1 2.086-1.567c.583-.22 1.2-.339 1.823-.35 1.137-.01 2.032.274 2.726.874.696.646 1.057 1.627 1.076 2.93a15 15 0 0 1-.412 3.05c-.085.361-.195.899-.347 1.637-.32 1.22-1.075 4.137.017 5.355 1.396 1.561 3.654-.038 4.348-2.631-1.28 5.685-5.588 6.388-7.471 5.77"/></svg>