`redundant_pattern_matching` fix inverted boolean when missing `Drop` trait

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`redundant_pattern_matching` fix inverted boolean when missing `Drop` trait

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# Date:      Fri Apr 2 19:04:45 2021 -0400
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# On branch redundant_pattern_matching
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# Changes to be committed:
#	modified:   clippy_lints/src/matches.rs
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# Date:      Fri Apr 2 19:04:45 2021 -0400
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graydon/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust