Fix lint message formatting

[orpuente-MS]

When hovering over the squiggle generated by a Lint, the message in the first line appears twice. This PR removes the duplicated message. Fixes #1443

Currently, the error message is shown in the first line and in the last line, which is redundant:

This is how it looks after the change:

[swernli]

FYI: the "fixes #1443" should be in the description rather than the title

[orpuente-MS]

FYI: the "fixes #1443" should be in the description rather than the title

Thanks!

[github-actions]

Benchmark for d5de7eb

Click to view benchmark

Test	Base	PR	%
Array append evaluation	340.3±3.85µs	341.0±1.93µs	+0.21%
Array literal evaluation	190.5±2.78µs	190.1±2.37µs	-0.21%
Array update evaluation	423.1±2.97µs	423.2±2.85µs	+0.02%
Core + Standard library compilation	17.2±0.32ms	17.2±0.51ms	0.00%
Deutsch-Jozsa evaluation	5.1±0.05ms	5.1±0.16ms	0.00%
Large file parity evaluation	33.7±0.14ms	33.8±0.42ms	+0.30%
Large input file compilation	11.6±0.40ms	11.5±0.16ms	-0.86%
Large input file compilation (interpreter)	46.5±1.68ms	46.2±1.42ms	-0.65%
Large nested iteration	33.2±0.14ms	33.4±0.14ms	+0.60%
Perform Runtime Capabilities Analysis (RCA) on Deutsch-Jozsa sample	1498.1±30.37µs	1494.5±46.34µs	-0.24%
Perform Runtime Capabilities Analysis (RCA) on large file sample	7.8±0.08ms	7.8±0.24ms	0.00%
Perform Runtime Capabilities Analysis (RCA) on teleport sample	1419.5±105.78µs	1404.9±30.35µs	-1.03%
Perform Runtime Capabilities Analysis (RCA) on the core and std libraries	21.3±0.21ms	21.4±0.21ms	+0.47%
Teleport evaluation	80.9±4.24µs	82.8±4.99µs	+2.35%

[github-actions]

Benchmark for f5732ed

Click to view benchmark

Test	Base	PR	%
Array append evaluation	335.6±2.90µs	340.7±2.66µs	+1.52%
Array literal evaluation	173.5±4.22µs	189.7±0.69µs	+9.34%
Array update evaluation	418.5±4.70µs	424.4±2.05µs	+1.41%
Core + Standard library compilation	16.8±0.22ms	16.9±0.52ms	+0.60%
Deutsch-Jozsa evaluation	5.0±0.04ms	5.1±0.04ms	+2.00%
Large file parity evaluation	33.6±0.10ms	33.6±0.45ms	0.00%
Large input file compilation	11.6±0.27ms	11.4±0.22ms	-1.72%
Large input file compilation (interpreter)	45.1±1.42ms	45.2±1.37ms	+0.22%
Large nested iteration	33.0±0.21ms	33.2±0.19ms	+0.61%
Perform Runtime Capabilities Analysis (RCA) on Deutsch-Jozsa sample	1451.6±33.27µs	1491.8±28.85µs	+2.77%
Perform Runtime Capabilities Analysis (RCA) on large file sample	7.7±0.07ms	7.7±0.08ms	0.00%
Perform Runtime Capabilities Analysis (RCA) on teleport sample	1366.4±35.95µs	1406.1±29.81µs	+2.91%
Perform Runtime Capabilities Analysis (RCA) on the core and std libraries	21.6±0.36ms	21.1±0.17ms	-2.31%
Teleport evaluation	80.1±3.95µs	81.9±4.42µs	+2.25%