Minor JSON fixes

Signed-off-by: Abhishek Malik <abhishek.malik@intel.com>

src/bmg160/bmg160.json

@@ -10,7 +10,6 @@
             "Connections": ["i2c", "spi", "gpio"],
             "Project Type": ["industrial", "commercial"],
             "Manufacturers": ["bosch"],
-            "Image": "bmg160.jpg",
             "Examples": {
                 "Java": ["BMG160_Example.java"],
                 "Python": ["bmg160.py"],
@@ -59,4 +58,4 @@
             }
         }
     }
-}
+}