Remove random word from color-eyre readme (#191)

The word "developer" appears at the end of a sentence and it doesn't
make sense at all in that context. Maybe you meant to say "while
developing" but i just removed it entirely.

Author: jacks0n9

color-eyre/README.md

@@ -57,8 +57,7 @@ color-eyre = { version = "0.6", default-features = false }
 color-eyre defaults to capturing span traces. This is because `SpanTrace`
 capture is significantly cheaper than `Backtrace` capture. However, like
 backtraces, span traces are most useful for debugging applications, and it's
-not uncommon to want to disable span trace capture by default to keep noise out
-developer.
+not uncommon to want to disable span trace capture by default to keep noise out.
 
 To disable span trace capture you must explicitly set one of the env variables
 that regulate `SpanTrace` capture to `"0"`: