Remove import of if_chain

Author: Manishearth

clippy_lints/src/assign_ops.rs

@@ -4,6 +4,7 @@ use rustc::hir;
 use rustc::hir::intravisit::{walk_expr, NestedVisitorMap, Visitor};
 use rustc::lint::*;
 use rustc::{declare_lint, lint_array};
+use if_chain::if_chain;
 use syntax::ast;
 
 /// **What it does:** Checks for compound assignment operations (`+=` and

clippy_lints/src/attrs.rs

@@ -8,6 +8,7 @@ use crate::utils::{
 use rustc::hir::*;
 use rustc::lint::*;
 use rustc::{declare_lint, lint_array};
+use if_chain::if_chain;
 use rustc::ty::{self, TyCtxt};
 use semver::Version;
 use syntax::ast::{AttrStyle, Attribute, Lit, LitKind, MetaItemKind, NestedMetaItem, NestedMetaItemKind};

clippy_lints/src/bit_mask.rs

@@ -1,6 +1,7 @@
 use rustc::hir::*;
 use rustc::lint::*;
 use rustc::{declare_lint, lint_array};
+use if_chain::if_chain;
 use syntax::ast::LitKind;
 use syntax::codemap::Span;
 use crate::utils::{span_lint, span_lint_and_then};

clippy_lints/src/bytecount.rs

@@ -1,6 +1,7 @@
 use rustc::hir::*;
 use rustc::lint::*;
 use rustc::{declare_lint, lint_array};
+use if_chain::if_chain;
 use rustc::ty;
 use syntax::ast::{Name, UintTy};
 use crate::utils::{contains_name, get_pat_name, match_type, paths, single_segment_path, snippet, span_lint_and_sugg,

clippy_lints/src/collapsible_if.rs

@@ -14,6 +14,7 @@
 
 use rustc::lint::*;
 use rustc::{declare_lint, lint_array};
+use if_chain::if_chain;
 use syntax::ast;
 
 use crate::utils::{in_macro, snippet_block, span_lint_and_sugg, span_lint_and_then};

clippy_lints/src/default_trait_access.rs

@@ -1,6 +1,7 @@
 use rustc::hir::*;
 use rustc::lint::*;
 use rustc::{declare_lint, lint_array};
+use if_chain::if_chain;
 use rustc::ty::TypeVariants;
 
 use crate::utils::{any_parent_is_automatically_derived, match_def_path, opt_def_id, paths, span_lint_and_sugg};

clippy_lints/src/derive.rs

@@ -1,5 +1,6 @@
 use rustc::lint::*;
 use rustc::{declare_lint, lint_array};
+use if_chain::if_chain;
 use rustc::ty::{self, Ty};
 use rustc::hir::*;
 use syntax::codemap::Span;

clippy_lints/src/drop_forget_ref.rs

@@ -1,5 +1,6 @@
 use rustc::lint::*;
 use rustc::{declare_lint, lint_array};
+use if_chain::if_chain;
 use rustc::ty;
 use rustc::hir::*;
 use crate::utils::{is_copy, match_def_path, opt_def_id, paths, span_note_and_lint};

clippy_lints/src/duration_subsec.rs

@@ -1,6 +1,7 @@
 use rustc::hir::*;
 use rustc::lint::*;
 use rustc::{declare_lint, lint_array};
+use if_chain::if_chain;
 use syntax::codemap::Spanned;
 
 use crate::consts::{constant, Constant};

clippy_lints/src/entry.rs

@@ -2,6 +2,7 @@ use rustc::hir::*;
 use rustc::hir::intravisit::{walk_expr, NestedVisitorMap, Visitor};
 use rustc::lint::*;
 use rustc::{declare_lint, lint_array};
+use if_chain::if_chain;
 use syntax::codemap::Span;
 use crate::utils::SpanlessEq;
 use crate::utils::{get_item_name, match_type, paths, snippet, span_lint_and_then, walk_ptrs_ty};