Remove units from numbers

This is a first step to decouple formatting from information because of
two reasons:

 1. The components should only gather and return the values by design
 2. Fine grained user control should be a focus

Scaling will be implemented in a different way in a later commit.

components/temperature.c

@@ -13,7 +13,7 @@
 			return NULL;
 		}
 
-		return bprintf("%d°C", temp / 1000);
+		return bprintf("%d", temp / 1000);
 	}
 #elif defined(__OpenBSD__)
 	#include <errno.h>
@@ -44,6 +44,6 @@
 		}
 
 		/* kelvin to celsius */
-		return bprintf("%d°C", (temp.value - 273150000) / 1000000);
+		return bprintf("%d", (temp.value - 273150000) / 1000000);
 	}
 #endif