h2t/research_projects/eurobin/*: Move euROBIN modules to external DB

Move euROBIN modules to new module database: https://git.h2t.iar.kit.edu/research-projects/eurobin/axii-database

data/modules/dbs/research_projects/eurobin.json

+{
+
+  "general": {
+    "url": "https://git.h2t.iar.kit.edu/research-projects/eurobin/axii-database",
+    "authors": "Rainer Kartmann <rainer.kartmann@kit.edu>",
+    "database": {
+      "for_namespace": "h2t/research_projects/eurobin"
+    }
+  },
+
+  "update": {
+    "git": {
+      "h2t_gitlab_slug": "research-projects/eurobin/axii-database"
+    }
+  },
+
+  "install": {
+    "env": {
+      "STUDENT_PROJECTS_AXII_DATABASE": "$MODULE_PATH",
+      "ARMARX_MODULES": "$MODULE_PATH:$ARMARX_MODULES"
+    }
+  }
+
+}